Average annual temperatures for New Hampshire (9°C/48°F) are slightly below the average for United States (13°C/55°F).
Average annual rainfall for New Hampshire (1,196mm/47 inches) is significantly above the average for United States (1,039mm/41 inches).
July is the hottest or warmest month in New Hampshire, with an average maximum temperate of 29°C/84°F.
January is the coolest or coldest month in New Hampshire, with an average minimum temperate of -9°C/16°F.
October is the wettest or most rainy month in New Hampshire, with an average rainfall of 130mm/5 inches.
January is the driest or least rainy month in New Hampshire, with an average rainfall of 73mm/3 inches.
Nashua is the hottest or warmest place in New Hampshire, with an average maximum temperate of 11°C/52°F.
Dover is the coldest place in New Hampshire, with an average maximum temperate of 8°C/46°F.
Dover is the most rainy or wettest place in New Hampshire, with an average annual rainfall of 1,421mm/56 inches.
Nashua is the least rainy or driest place in New Hampshire, with an average annual rainfall of 1,043mm/41 inches.
| Place | Min Temp | Max Temp | Avg Temp | Rainfall |
|---|---|---|---|---|
| Concord | 2 | 15 | 9 | 1,187 |
| Dover | 3 | 13 | 8 | 1,421 |
| Manchester | 2 | 15 | 9 | 1,187 |
| Nashua | 6 | 16 | 11 | 1,043 |
| Portsmouth | 4 | 16 | 10 | 1,302 |