Connecticut Weather Records
Weather data and records for the U.S. state of Connecticut based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
Connecticut Statewide Averages
Average temperatures over the entire territory of the state, from 1991–2020.
| Month |
High (°F°C) |
Low (°F°C) |
| January |
36.02.2 |
18.5-7.5 |
| February |
38.73.7 |
20.0-6.7 |
| March |
46.68.1 |
27.1-2.7 |
| April |
58.814.9 |
36.52.5 |
| May |
69.520.8 |
46.68.1 |
| June |
77.725.4 |
56.013.3 |
| July |
82.928.3 |
61.816.6 |
| August |
81.027.2 |
60.115.6 |
| September |
74.023.3 |
52.911.6 |
| October |
62.517.0 |
41.75.4 |
| November |
51.110.6 |
32.60.3 |
| December |
41.05.0 |
24.4-4.2 |
| Entire Year |
60.115.6 |
39.94.4 |
Connecticut Cities
Yearly weather averages for various places in Connecticut, from 1991–2020.
| Average (°F°C) |
Record (°F°C) |
Yearly (inchescm) |
| Bridgeport |
60.916.0 |
45.57.5 |
102.939.4 |
-20.0-28.9 |
44.1112.0 |
35.189.3 |
| Danbury |
61.716.5 |
41.15.0 |
106.041.1 |
-18.0-27.8 |
52.3133.0 |
47.3120.1 |
| Hartford |
61.316.3 |
41.05.0 |
102.939.4 |
-26.0-32.2 |
47.0119.5 |
49.9126.7 |
| New Haven |
60.916.0 |
45.57.5 |
102.939.4 |
-20.0-28.9 |
44.1112.0 |
35.189.3 |
| Norfolk |
54.912.7 |
37.32.9 |
93.033.9 |
-25.1-31.7 |
53.5135.8 |
75.2191.1 |
| Norwich |
62.016.7 |
41.65.3 |
102.038.9 |
-20.9-29.4 |
49.6125.9 |
24.161.2 |
| Storrs |
58.014.5 |
41.05.0 |
100.938.3 |
-20.0-28.9 |
47.6121.0 |
37.896.1 |