The temperatures in New Hampshire in March are quite cold with temperatures between 7°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in New Hampshire during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in New Hampshire in March 2025.
If you’re planning to visit New Hampshire in the near future, we highly recommend that you review the 14 day weather forecast for New Hampshire before you arrive.
Temperatures
17° / 7°
Rainy Days
6
Snowy Days
0
Dry Days
26
Rainfall
89
mm
Sun Hours
10.0
Hrs
