Norwich, CT
Climate overview — based on NOAA 1991-2020 normals from NORWICH PUBLIC UTILITY PLT, CT US.
Year-round temperatures (°F)
Climate summary
Norwich has an annual average temperature of 51.8°F with about 52.2 inches of precipitation per year and 27.8 inches of snow. The warmest month is July (average high 84.1°F), and the coldest is January (average low 21.2°F). March is typically the wettest month (5.09 in) and July the driest (3.63 in). Snow typically falls from November through April.
Best time to visit Norwich
Full guide →Climate change signal
All-time records →71 of 366 (19.4%) of Norwich's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1950s | 25 | |
| 1960s | 47 | |
| 1970s | 27 | |
| 1980s | 40 | |
| 1990s | 75 | |
| 2000s | 54 | |
| 2010s | 62 | |
| 2020s | 36 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 37.7°F | 21.2°F | 29.5°F | 3.89 in | 9.0 in | 11 |
| February | 40.5°F | 22.9°F | 31.7°F | 3.75 in | 7.1 in | 10 |
| March | 47.8°F | 29.4°F | 38.6°F | 5.09 in | 5.0 in | 10 |
| April | 59.3°F | 39.1°F | 49.2°F | 4.71 in | 0.8 in | 11 |
| May | 69.9°F | 48.9°F | 59.4°F | 3.64 in | — | 11 |
| June | 78.4°F | 58.5°F | 68.4°F | 4.27 in | — | 10 |
| July | 84.1°F | 64.8°F | 74.4°F | 3.63 in | — | 9 |
| August | 82.6°F | 62.7°F | 72.6°F | 4.41 in | — | 9 |
| September | 75.5°F | 54.9°F | 65.2°F | 4.79 in | — | 9 |
| October | 63.9°F | 43.6°F | 53.8°F | 4.86 in | — | 10 |
| November | 53.0°F | 34.3°F | 43.6°F | 4.17 in | 0.3 in | 9 |
| December | 43.2°F | 27.0°F | 35.1°F | 4.97 in | 5.6 in | 11 |
Climate twins of Norwich
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).