CONNECTICUT
Climate Normals (1971-2000)
other states
 

City:ANSONIA 1 NE           
State:CT
Lat:41.21N
Long:073.04W
Elev:  140
ID:060128
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.45  3.23  4.24  4.38  4.38  3.84  3.97  4.16  4.07  4.44  4.38  4.01 49.55
City:BAKERSVILLE            
State:CT
Lat:41.51N
Long:073.01W
Elev:  597
ID:060227
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.9  16.5  24.1  33.1  43.5  52.1  58.2  55.8  48.1  37.3  29.7  20.3  36.1
Maximum     33.2  36.1  46.2  58.1  69.8  76.6  80.7  78.8  71.4  59.7  48.6  37.2  58.0
Mean        23.6  26.3  35.2  45.6  56.7  64.4  69.5  67.3  59.8  48.5  39.2  28.8  47.1
Precip.     4.39  3.25  4.57  4.51  4.76  4.17  5.04  4.92  5.00  4.80  4.69  4.49 54.59
HDD         1284  1084   925   583   268    77    10    28   168   512   775  1125  6839
CDD            0     0     0     0     8    58   147   100    10     0     0     0   323
City:BARKHAMSTED            
State:CT
Lat:41.55N
Long:072.57W
Elev:  660
ID:060299
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.12  3.16  4.32  4.21  4.54  4.26  4.26  4.36  4.49  4.39  4.22  4.03 50.36
City:BRIDGEPORT SIKORSKY AP 
State:CT
Lat:41.10N
Long:073.08W
Elev:    5
ID:060806
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     22.9  24.9  32.0  40.7  50.6  59.6  66.0  65.4  57.7  46.3  37.5  28.0  44.3
Maximum     36.9  38.8  46.9  57.0  67.4  76.4  81.9  80.7  73.6  63.1  52.6  42.1  59.8
Mean        29.9  31.9  39.5  48.9  59.0  68.0  74.0  73.1  65.7  54.7  45.1  35.1  52.1
Precip.     3.73  2.92  4.15  3.99  4.03  3.57  3.77  3.75  3.58  3.54  3.65  3.47 44.15
HDD         1089   944   803   489   207    32     2     4    68   320   591   918  5467
CDD            0     0     0     1    21   125   286   258    91     7     0     0   789
City:BULLS BRIDGE DAM       
State:CT
Lat:41.39N
Long:073.29W
Elev:  260
ID:060961
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.3  15.9  24.9  35.2  45.7  54.7  59.5  58.4  49.9  37.6  29.1  20.4  37.1
Maximum     34.8  37.8  47.5  59.3  71.0  78.8  83.6  81.5  73.6  62.6  50.4  39.4  60.0
Mean        24.6  26.9  36.2  47.3  58.4  66.8  71.6  70.0  61.8  50.1  39.8  29.9  48.6
Precip.     3.63  2.90  3.90  4.14  4.30  3.96  4.89  4.31  4.22  3.91  4.06  3.65 47.87
HDD         1253  1069   892   533   221    46     5    12   118   463   757  1089  6458
CDD            0     0     0     0    15    99   208   166    20     2     0     0   510
City:BURLINGTON             
State:CT
Lat:41.48N
Long:072.56W
Elev:  510
ID:060973
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     14.1  16.1  24.9  35.3  45.7  54.6  59.7  58.1  50.2  38.4  30.9  21.0  37.4
Maximum     35.2  37.7  46.6  58.1  69.6  77.8  82.7  80.6  72.9  62.1  51.1  39.9  59.5
Mean        24.7  26.9  35.8  46.7  57.7  66.2  71.2  69.4  61.6  50.3  41.0  30.5  48.5
Precip.     4.30  3.30  4.61  4.39  4.65  4.20  4.31  4.67  4.80  4.47  4.58  3.99 52.27
HDD         1251  1067   907   549   240    57     8    17   130   458   720  1071  6475
CDD            0     0     0     0    12    92   200   152    26     1     0     0   483
City:COCKAPONSET RANGER STA 
State:CT
Lat:41.28N
Long:072.31W
Elev:  160
ID:061488
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     5.04  3.61  4.75  4.71  4.16  4.13  3.82  4.69  4.15  4.72  4.96  4.58 53.32
City:COVENTRY               
State:CT
Lat:41.48N
Long:072.21W
Elev:  480
ID:061689
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.8  14.9  24.3  33.3  43.3  52.2  57.3  55.5  46.3  34.8  29.1  19.7  35.3
Maximum     35.2  37.8  46.8  57.5  68.7  76.3  81.2  80.0  72.4  62.1  50.9  40.0  59.1
Mean        24.0  26.4  35.6  45.4  56.0  64.3  69.3  67.8  59.4  48.5  40.0  29.9  47.2
Precip.     4.38  3.00  4.32  4.54  3.96  4.25  4.08  4.07  4.54  4.56  4.64  4.02 50.36
HDD         1271  1083   913   589   286    75    10    22   180   513   751  1090  6783
CDD            0     0     0     0     6    53   142   106    10     0     0     0   317
City:DANBURY                
State:CT
Lat:41.24N
Long:073.25W
Elev:  405
ID:061762
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.6  19.3  27.4  36.4  46.7  55.7  61.0  59.2  51.2  39.7  32.0  22.8  39.1
Maximum     35.4  38.6  48.1  59.6  70.9  79.3  83.9  81.4  73.0  62.0  50.7  39.6  60.2
Mean        26.5  29.0  37.8  48.0  58.8  67.5  72.5  70.3  62.1  50.9  41.4  31.2  49.7
Precip.     4.22  3.08  4.45  4.27  4.69  4.26  4.61  4.49  4.99  4.18  4.45  4.08 51.77
HDD         1194  1010   844   509   220    46    11     9   119   439   711  1047  6159
CDD            0     0     0     0    29   121   242   173    31     1     0     0   597
City:FALLS VILLAGE          
State:CT
Lat:41.57N
Long:073.22W
Elev:  550
ID:062658
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.3  15.5  24.1  33.6  44.1  52.8  57.6  56.4  48.8  36.9  29.0  19.3  36.0
Maximum     35.0  38.3  47.7  59.8  71.9  79.0  83.6  81.5  73.5  62.4  50.1  39.1  60.2
Mean        24.2  26.9  35.9  46.7  58.0  65.9  70.6  69.0  61.2  49.7  39.6  29.2  48.1
Precip.     3.54  2.66  3.62  3.77  4.26  4.17  4.41  4.37  3.98  3.81  3.74  3.49 45.82
HDD         1267  1067   902   549   233    50     6    17   139   477   763  1109  6579
CDD            0     0     0     0    16    77   180   140    24     1     0     0   438
City:GROTON                 
State:CT
Lat:41.21N
Long:072.02W
Elev:   40
ID:063207
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.0  21.8  29.3  38.1  47.7  56.6  62.9  62.2  54.5  43.4  35.2  25.7  41.5
Maximum     37.7  39.4  47.1  56.3  66.3  74.9  80.7  79.6  72.7  62.5  52.7  42.7  59.4
Mean        28.9  30.6  38.2  47.2  57.0  65.8  71.8  70.9  63.6  53.0  44.0  34.2  50.4
Precip.     4.39  3.54  4.46  4.23  3.79  3.67  3.31  4.46  4.06  3.98  4.51  4.32 48.72
HDD         1121   964   832   534   254    42     2     4    83   376   632   955  5799
CDD            0     0     0     0     6    64   213   186    40     2     0     0   511
City:HARTFORD BRAINARD FIELD
State:CT
Lat:41.44N
Long:072.39W
Elev:   20
ID:063451
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.3  19.2  27.3  37.6  47.8  57.4  63.4  61.2  51.4  39.8  32.3  22.2  39.7
Maximum     35.5  38.4  47.1  58.5  70.1  78.6  83.8  81.9  74.1  62.8  51.5  40.3  60.2
Mean        25.9  28.8  37.2  48.1  59.0  68.0  73.6  71.6  62.8  51.3  41.9  31.3  50.0
Precip.     3.66  2.65  3.61  3.82  3.99  3.83  3.93  3.83  3.83  3.91  3.79  3.44 44.29
HDD         1213  1014   862   509   210    32     1     3   103   428   698  1048  6121
CDD            0     0     0     0    22   122   266   206    36     2     0     0   654
City:HARTFORD BRADLEY INTL A
State:CT
Lat:41.56N
Long:072.41W
Elev:  160
ID:063456
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.2  19.9  28.3  37.9  48.1  57.0  62.4  60.7  52.1  40.6  32.6  22.6  40.0
Maximum     34.1  37.7  47.7  59.9  71.7  80.0  84.9  82.5  74.3  63.1  50.9  39.0  60.5
Mean        25.7  28.8  38.0  48.9  59.9  68.5  73.7  71.6  63.2  51.9  41.8  30.8  50.2
Precip.     3.84  2.96  3.88  3.86  4.39  3.85  3.67  3.98  4.13  3.94  4.06  3.60 46.16
HDD         1218  1024   844   486   195    38     3    12   120   413   697  1054  6104
CDD            0     0     1     5    38   144   277   220    68     5     1     0   759
City:MANSFIELD HOLLOW LAKE  
State:CT
Lat:41.45N
Long:072.11W
Elev:  250
ID:064488
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     13.4  15.6  25.0  34.1  43.8  52.8  58.4  56.7  47.5  35.5  29.2  19.7  36.0
Maximum     35.0  37.4  46.6  57.5  69.2  77.0  81.7  80.2  72.7  62.4  51.0  39.7  59.2
Mean        24.2  26.5  35.8  45.8  56.5  64.9  70.1  68.5  60.1  49.0  40.1  29.7  47.6
Precip.     4.70  3.45  4.66  4.39  4.10  3.84  4.37  4.21  4.25  4.44  4.74  4.40 51.55
HDD         1265  1078   904   576   271    68     7    18   162   497   747  1095  6688
CDD            0     0     0     0     7    65   164   124    16     0     0     0   376
City:MIDDLETOWN 4 W (MERIDEN
State:CT
Lat:41.33N
Long:072.43W
Elev:  369
ID:064767
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     20.3  22.1  29.7  38.7  48.5  57.3  62.5  61.2  53.6  42.9  35.1  25.8  41.5
Maximum     36.2  38.9  47.5  58.9  70.6  79.4  84.2  81.2  72.7  61.5  51.0  40.6  60.2
Mean        28.3  30.5  38.6  48.8  59.6  68.4  73.4  71.2  63.2  52.2  43.1  33.2  50.9
Precip.     4.54  3.32  4.55  4.44  4.30  4.46  4.20  4.46  4.58  4.81  4.54  4.15 52.35
HDD         1139   966   818   486   195    30     2     5   105   400   658   987  5791
CDD            0     0     0     0    26   131   262   197    50     3     0     0   669
City:MOUNT CARMEL           
State:CT
Lat:41.24N
Long:072.54W
Elev:  180
ID:065077
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     16.9  18.4  27.5  36.8  47.0  56.3  62.1  60.5  52.3  40.7  31.6  22.7  39.4
Maximum     34.9  37.1  46.4  57.3  68.0  77.3  82.8  80.5  72.7  62.0  50.3  39.4  59.1
Mean        25.9  27.8  37.0  47.1  57.5  66.8  72.5  70.5  62.5  51.4  41.0  31.1  49.3
Precip.     4.59  3.24  4.65  4.63  4.70  4.44  4.28  4.50  4.66  4.54  4.47  4.03 52.73
HDD         1212  1043   870   539   245    47     4     5   108   425   721  1052  6271
CDD            0     0     0     0    12   100   234   177    33     2     0     0   558
City:NORFOLK 2 SW           
State:CT
Lat:41.58N
Long:073.13W
Elev: 1340
ID:065445
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     11.9  13.4  21.9  32.8  44.2  53.0  57.9  56.4  48.6  37.5  29.3  18.6  35.5
Maximum     29.1  31.3  40.9  53.1  65.5  73.5  78.1  76.3  68.3  56.9  45.1  33.9  54.3
Mean        20.5  22.4  31.4  43.0  54.9  63.3  68.0  66.4  58.5  47.2  37.2  26.3  44.9
Precip.     4.47  3.53  4.57  4.53  4.81  4.49  4.90  4.74  4.47  4.40  4.65  4.31 53.87
HDD         1381  1193  1042   661   319    93    17    35   202   552   835  1202  7532
CDD            0     0     0     0     5    40   110    77     5     0     0     0   237
City:NORWALK GAS PLANT      
State:CT
Lat:41.07N
Long:073.25W
Elev:   37
ID:065893
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     18.8  20.6  28.8  37.7  46.5  56.5  62.5  61.0  52.7  40.4  33.2  24.1  40.2
Maximum     36.8  39.3  48.3  59.8  70.0  79.2  84.2  82.4  74.9  63.6  52.4  41.6  61.0
Mean        27.8  30.0  38.6  48.8  58.3  67.9  73.4  71.7  63.8  52.0  42.8  32.9  50.7
Precip.     4.20  3.03  4.33  4.37  4.36  3.94  3.83  3.89  4.54  3.89  4.04  3.96 48.38
HDD         1153   982   820   487   228    27     1     3    85   405   665   998  5854
CDD            0     0     0     0    19   113   259   211    48     2     0     0   652
City:NORWICH PUB UTIL PLANT 
State:CT
Lat:41.32N
Long:072.04W
Elev:   20
ID:065910
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.3  19.0  27.4  37.3  47.6  56.3  62.5  60.8  52.7  40.0  31.6  23.3  39.7
Maximum     37.8  40.0  48.6  58.9  70.5  78.5  83.8  82.0  74.6  63.9  52.9  42.2  61.1
Mean        27.6  29.5  38.0  48.1  59.1  67.4  73.2  71.4  63.7  52.0  42.3  32.8  50.4
Precip.     4.74  3.82  4.93  4.58  4.13  3.68  3.67  4.85  4.29  4.53  4.86  4.70 52.78
HDD         1162   994   837   508   201    30     2     3    91   406   683   999  5916
CDD            0     0     0     0    15   101   256   203    51     1     0     0   627
City:PUTNAM LAKE            
State:CT
Lat:41.05N
Long:073.38W
Elev:  300
ID:066655
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.35  3.11  4.39  4.48  4.63  4.34  4.06  4.25  4.90  4.11  4.35  4.07 51.04
City:ROCKY RIVER DAM        
State:CT
Lat:41.35N
Long:073.26W
Elev:  220
ID:066966
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     3.68  2.87  3.90  4.04  4.47  4.11  4.45  4.73  4.44  4.21  4.14  3.62 48.66
City:ROUND POND             
State:CT
Lat:41.18N
Long:073.32W
Elev:  800
ID:067002
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.17  3.21  4.64  4.51  4.97  4.32  4.45  4.78  4.83  4.43  4.72  4.23 53.26
City:SAUGATUCK RESERVOIR    
State:CT
Lat:41.15N
Long:073.21W
Elev:  300
ID:067157
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.37  3.21  4.61  4.54  4.92  4.13  4.08  4.43  4.44  4.23  4.61  4.13 51.70
City:SHEPAUG DAM            
State:CT
Lat:41.43N
Long:073.18W
Elev:  840
ID:067373
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     11.9  13.6  22.0  31.9  43.2  51.9  57.4  55.9  48.4  37.3  29.0  18.4  35.1
Maximum     33.9  36.4  45.4  56.9  68.4  75.5  79.8  78.2  70.5  60.7  49.7  38.5  57.8
Mean        22.9  25.0  33.7  44.4  55.8  63.7  68.6  67.1  59.5  49.0  39.4  28.5  46.5
Precip.     3.94  3.10  4.42  4.20  4.51  4.15  4.82  4.66  4.60  4.12  4.19  3.86 50.57
HDD         1305  1120   971   617   289    84    24    33   174   496   769  1132  7014
CDD            0     0     0     0     5    45   135    97     7     0     0     0   289
City:SHUTTLE MEADOW RESVR   
State:CT
Lat:41.39N
Long:072.49W
Elev:  410
ID:067432
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.41  3.39  4.32  4.52  4.32  4.05  4.53  4.30  4.44  4.57  4.54  4.21 51.60
City:STAMFORD 5 N           
State:CT
Lat:41.07N
Long:073.33W
Elev:  190
ID:067970
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     19.2  21.0  28.7  37.6  47.4  56.2  61.6  60.6  53.2  41.6  33.5  24.8  40.5
Maximum     38.2  41.3  50.4  62.1  72.8  80.7  85.4  83.3  75.5  64.7  53.3  42.5  62.5
Mean        28.7  31.2  39.6  49.9  60.1  68.5  73.5  72.0  64.4  53.2  43.4  33.7  51.5
Precip.     4.50  3.32  4.70  4.51  4.97  4.33  4.09  4.26  4.82  4.42  4.58  4.29 52.79
HDD         1125   948   788   455   176    24     1     3    72   370   648   972  5582
CDD            0     0     0     0    24   128   265   218    53     4     0     0   692
City:STEVENSON DAM          
State:CT
Lat:41.23N
Long:073.10W
Elev:   60
ID:068065
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     5.05  3.39  5.28  4.96  4.74  4.56  4.05  4.08  4.33  4.54  5.00  4.73 54.71
City:STORRS                 
State:CT
Lat:41.48N
Long:072.15W
Elev:  650
ID:068138
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     17.2  19.3  27.8  37.1  46.8  55.4  60.9  59.3  51.7  41.1  33.3  23.2  39.4
Maximum     33.7  36.0  44.8  55.8  67.3  75.0  79.6  77.9  70.7  60.5  49.4  38.5  57.4
Mean        25.5  27.7  36.3  46.5  57.1  65.2  70.3  68.6  61.2  50.8  41.4  30.9  48.5
Precip.     4.61  3.66  4.45  4.36  4.00  3.93  4.41  4.25  4.42  4.64  4.58  4.33 51.64
HDD         1227  1047   890   557   254    60     5    15   136   442   709  1059  6401
CDD            0     0     0     0     7    66   167   127    22     1     0     0   390
City:TORRINGTON             
State:CT
Lat:41.48N
Long:073.07W
Elev:  580
ID:068436
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.42  3.25  4.62  4.15  4.31  4.19  3.94  4.81  4.62  4.37  4.37  4.16 51.21
City:WEST HARTFORD          
State:CT
Lat:41.45N
Long:072.47W
Elev:  275
ID:069162
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Precip.     4.66  3.44  4.64  4.97  4.97  4.78  4.70  5.16  4.83  5.20  5.23  4.35 56.93
City:WEST THOMPSON LAKE     
State:CT
Lat:41.57N
Long:071.54W
Elev:  360
ID:069388
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.6  14.6  24.0  33.2  43.4  52.7  58.3  57.1  48.3  36.0  29.6  19.4  35.8
Maximum     35.4  37.7  46.5  57.7  69.4  77.3  82.4  80.4  72.6  62.0  51.1  39.8  59.4
Mean        24.0  26.2  35.3  45.5  56.4  65.0  70.4  68.8  60.5  49.0  40.4  29.6  47.6
Precip.     4.68  3.32  4.44  4.40  3.94  4.00  4.55  4.47  4.00  4.43  4.70  4.32 51.25
HDD         1272  1089   923   587   272    63     8    18   151   496   739  1099  6717
CDD            0     0     0     0     6    63   173   134    14     0     0     0   390
City:WIGWAM RESERVOIR       
State:CT
Lat:41.40N
Long:073.08W
Elev:  570
ID:069568
Normal      Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  Annual
Minimum     12.6  13.7  23.5  32.7  43.4  52.7  57.6  55.9  48.1  36.4  28.1  19.2  35.3
Maximum     34.1  36.8  46.2  57.6  70.0  77.8  83.3  80.8  73.2  61.7  50.3  38.5  59.2
Mean        23.4  25.3  34.9  45.2  56.7  65.3  70.5  68.4  60.7  49.1  39.2  28.9  47.3
Precip.     4.03  3.17  4.57  4.29  4.50  4.20  4.20  4.44  4.63  4.44  4.39  4.17 51.03
HDD         1292  1113   936   596   265    62     8    15   150   494   774  1120  6825
CDD            0     0     0     0     8    69   177   120    20     1     0     0   395

 

 

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