Nashua, NH
Climate overview — based on NOAA 1991-2020 normals from NASHUA CWSU, NH US.
Year-round temperatures (°F)
Climate summary
Nashua has an annual average temperature of 48.8°F with about 46.3 inches of precipitation per year. The warmest month is July (average high 84.7°F), and the coldest is January (average low 13.8°F). October is typically the wettest month (4.66 in) and January the driest (3.00 in).
Best time to visit Nashua
Full guide →Climate change signal
All-time records →359 of 366 (98.1%) of Nashua'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.
| 2010s | 188 | |
| 2020s | 178 |
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 | 34.5°F | 13.8°F | 24.2°F | 3.00 in | — | — |
| February | 37.5°F | 15.5°F | 26.5°F | 3.07 in | — | — |
| March | 45.3°F | 24.1°F | 34.7°F | 4.11 in | — | — |
| April | 58.4°F | 34.7°F | 46.6°F | 3.91 in | — | — |
| May | 69.4°F | 46.1°F | 57.8°F | 3.63 in | — | — |
| June | 78.7°F | 55.9°F | 67.3°F | 4.19 in | — | — |
| July | 84.7°F | 61.6°F | 73.1°F | 3.63 in | — | — |
| August | 82.7°F | 59.7°F | 71.2°F | 3.71 in | — | — |
| September | 75.2°F | 52.2°F | 63.7°F | 4.15 in | — | — |
| October | 62.3°F | 38.9°F | 50.6°F | 4.66 in | — | — |
| November | 50.5°F | 29.1°F | 39.8°F | 3.74 in | — | — |
| December | 39.6°F | 19.5°F | 29.6°F | 4.45 in | — | — |
Climate twins of Nashua
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).