Connecticut weather in January: Statewide normals and every place, NOAA 1991-2020
In January, Connecticut's statewide normal high is 36°F and normal low 18°F; normal highs run from 30°F in Norfolk to 38°F in Bridgeport (NOAA 1991-2020 normals).
- Statewide normal high
- 36°FJanuary, 1991-2020
- Statewide normal low
- 18°FJanuary, 1991-2020
- Statewide normal precipitation
- 3.57 inJanuary
- Warmest place
- 38°Fnormal high, Bridgeport
- Coolest place
- 30°Fnormal high, Norfolk
Where is Connecticut warmest and wettest in January?
Bridgeport has the warmest January afternoons (38°F) and Norfolk the coolest (30°F). Stamford gets the most precipitation (4.26 in) and Groton the least (2.68 in). The most snow falls in Norfolk (17.8 inches).
Statewide, January averaged 29.2°F in 2021, 24.2°F in 2022, 37.1°F in 2023, 31.3°F in 2024, 26.0°F in 2025, 24.5°F in 2026, against a 1991-2020 normal of 27.2°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Bridgeport | 38°F | 24°F | 3.18 | 8.5 |
| Stamford | 38°F | 22°F | 4.26 | 9.1 |
| New Haven | 38°F | 23°F | 2.72 | – |
| Hartford | 35°F | 19°F | 3.28 | 14.2 |
| Danbury | 36°F | 18°F | 3.06 | – |
| Meriden | 37°F | 19°F | 3.05 | – |
| Norwich | 38°F | 21°F | 3.89 | 9.0 |
| Ansonia | 36°F | 18°F | 3.95 | – |
| Willimantic | 36°F | 18°F | 3.20 | – |
| Storrs | 35°F | 19°F | 3.65 | 8.3 |
| Groton | 38°F | 23°F | 2.68 | – |
| Norfolk | 30°F | 14°F | 3.97 | 17.8 |
| Falls Village | 35°F | 14°F | 3.00 | – |
| Bakersville | 33°F | 15°F | 3.94 | 13.1 |
| Barkhamsted | 34°F | 14°F | 3.65 | 13.5 |
| Burlington | 36°F | 17°F | 3.65 | 11.1 |
| Hampton | 36°F | 17°F | 4.05 | – |
| Mount Carmel | 38°F | 20°F | 3.60 | – |
| Staffordville | 34°F | 14°F | 3.85 | – |
| West Thompson Lake | 35°F | 15°F | 3.78 | 10.6 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.