Somersworth, NH
Climate overview — based on NOAA 1991-2020 normals from ROCHESTER SKYHAVEN AP, NH US.
Year-round temperatures (°F)
Climate summary
Somersworth has an annual average temperature of 47.7°F with about 41.2 inches of precipitation per year. The warmest month is July (average high 81.9°F), and the coldest is January (average low 15.4°F). October is typically the wettest month (4.39 in) and February the driest (2.22 in).
Best time to visit Somersworth
Full guide →Climate change signal
All-time records →193 of 366 (52.7%) of Somersworth'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.
| 2000s | 119 | |
| 2010s | 125 | |
| 2020s | 122 |
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 | 32.6°F | 15.4°F | 24.0°F | 2.53 in | — | 10 |
| February | 35.4°F | 17.0°F | 26.2°F | 2.22 in | — | 10 |
| March | 43.5°F | 24.7°F | 34.1°F | 3.72 in | — | 11 |
| April | 56.7°F | 34.7°F | 45.7°F | 3.67 in | — | 12 |
| May | 67.4°F | 44.8°F | 56.1°F | 3.52 in | — | 13 |
| June | 77.0°F | 54.2°F | 65.6°F | 3.86 in | — | 14 |
| July | 81.9°F | 59.6°F | 70.8°F | 3.52 in | — | 13 |
| August | 80.6°F | 57.9°F | 69.3°F | 3.17 in | — | 12 |
| September | 72.6°F | 50.3°F | 61.5°F | 3.43 in | — | 11 |
| October | 60.3°F | 39.4°F | 49.8°F | 4.39 in | — | 12 |
| November | 48.0°F | 30.7°F | 39.4°F | 3.89 in | — | 10 |
| December | 37.4°F | 21.9°F | 29.6°F | 3.30 in | — | 11 |
Climate twins of Somersworth
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).