Groton, NY
Climate overview — based on NOAA 1991-2020 normals from FREEVILLE 1 NE, NY US.
Year-round temperatures (°F)
Climate summary
Groton has an annual average temperature of 45.2°F with about 39.5 inches of precipitation per year and 64.4 inches of snow. The warmest month is July (average high 79.3°F), and the coldest is January (average low 11.6°F). June is typically the wettest month (4.19 in) and February the driest (2.02 in). Snow typically falls from November through April.
Best time to visit Groton
Full guide →Climate change signal
All-time records →283 of 366 (77.3%) of Groton'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.
| 1940s | 0 | |
| 1950s | 0 | |
| 1960s | 0 | |
| 1970s | 0 | |
| 1980s | 0 | |
| 1990s | 0 | |
| 2000s | 6 | |
| 2010s | 192 | |
| 2020s | 168 |
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 | 29.8°F | 11.6°F | 20.7°F | 2.20 in | 16.1 in | 14 |
| February | 32.5°F | 12.2°F | 22.4°F | 2.02 in | 14.5 in | 11 |
| March | 40.4°F | 20.2°F | 30.3°F | 2.66 in | 13.0 in | 12 |
| April | 53.2°F | 32.6°F | 42.9°F | 3.19 in | 2.4 in | 12 |
| May | 66.2°F | 43.7°F | 54.9°F | 3.51 in | — | 13 |
| June | 74.5°F | 52.9°F | 63.7°F | 4.19 in | — | 13 |
| July | 79.3°F | 57.5°F | 68.4°F | 4.09 in | — | 13 |
| August | 77.6°F | 55.2°F | 66.4°F | 4.09 in | — | 11 |
| September | 70.5°F | 48.6°F | 59.5°F | 4.12 in | — | 11 |
| October | 58.0°F | 37.9°F | 48.0°F | 3.90 in | 0.1 in | 14 |
| November | 46.1°F | 29.2°F | 37.6°F | 2.84 in | 5.6 in | 12 |
| December | 34.9°F | 21.2°F | 28.1°F | 2.66 in | 12.7 in | 14 |
Climate twins of Groton
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).