Average Temperatures and Rainfall for New Hampshire

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).

What is the warmest or hottest month in New Hampshire?

July is the hottest or warmest month in New Hampshire, with an average maximum temperate of 29°C/84°F.

What is the coldest or coolest month in New Hampshire?

January is the coolest or coldest month in New Hampshire, with an average minimum temperate of -9°C/16°F.

What is the most rainy or wettest month in New Hampshire?

October is the wettest or most rainy month in New Hampshire, with an average rainfall of 130mm/5 inches.

What is the least rainy or driest month in New Hampshire?

January is the driest or least rainy month in New Hampshire, with an average rainfall of 73mm/3 inches.

What is the warmest or hottest place in New Hampshire?

Nashua is the hottest or warmest place in New Hampshire, with an average maximum temperate of 11°C/52°F.

What is the coldest place in New Hampshire?

Dover is the coldest place in New Hampshire, with an average maximum temperate of 8°C/46°F.

What is the most rainy or wettest place in New Hampshire?

Dover is the most rainy or wettest place in New Hampshire, with an average annual rainfall of 1,421mm/56 inches.

What is the least rainy or driest place in New Hampshire?

Nashua is the least rainy or driest place in New Hampshire, with an average annual rainfall of 1,043mm/41 inches.

Average Monthly Temperatures
Average Maximum Temperature Average Minimum Temperature
Average Monthly Rainfall
PlaceMin TempMax TempAvg TempRainfall
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