Connecticut December Weather
Connecticut weather averages and all-time records in the month of December from 1991–2020 based on data made available by the NOAA.
State:
Month:
| Statewide December Averages |
| High temperature |
40.9 °F |
| Low temperature |
24.4 °F |
| Precipitation |
4.4 inches |
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Connecticut Cities
December weather averages for various places in Connecticut, from 1991–2020.
| Average (°F) |
Record (°F) |
Monthly (inches) |
| Bridgeport |
43.5 |
29.8 |
76 |
-12 |
4.0 |
6.0 |
| Danbury |
40.9 |
24.1 |
76 |
-11 |
4.3 |
n/a |
| Hartford |
40.6 |
24.6 |
76 |
-14 |
4.1 |
10.2 |
| New Haven |
43.5 |
29.8 |
76 |
-12 |
4.0 |
6.0 |
| Norfolk |
34.9 |
21.4 |
67 |
-23 |
4.9 |
15.4 |
| Norwich |
43.5 |
26.2 |
77 |
-13 |
4.7 |
5.4 |
| Storrs |
39.9 |
25.8 |
73 |
-17 |
4.6 |
7.2 |