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The temperatures in New Hampshire in May are comfortable with low of 10°C and and high up to 23°C.
The wather in New Hampshire in May can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in New Hampshire in May 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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 6° | 5 | 26 | 0 | 92 mm | Good | New Hampshire in January |
| February | 16° / 6° | 4 | 24 | 0 | 90 mm | Good | New Hampshire in February |
| March | 17° / 7° | 6 | 26 | 0 | 89 mm | Good | New Hampshire in March |
| April | 20° / 8° | 2 | 28 | 0 | 36 mm | Good | New Hampshire in April |
| May | 23° / 10° | 1 | 30 | 0 | 16 mm | Perfect | New Hampshire in May |
| June | 27° / 13° | 0 | 30 | 0 | 6 mm | Perfect | New Hampshire in June |
| July | 29° / 14° | 0 | 31 | 0 | 2 mm | Good | New Hampshire in July |
| August | 29° / 15° | 0 | 31 | 0 | 1 mm | Good | New Hampshire in August |
| September | 29° / 15° | 0 | 30 | 0 | 4 mm | Good | New Hampshire in September |
| October | 24° / 13° | 2 | 29 | 0 | 35 mm | Perfect | New Hampshire in October |
| November | 18° / 9° | 3 | 27 | 0 | 55 mm | Good | New Hampshire in November |
| December | 14° / 7° | 5 | 26 | 0 | 79 mm | Good | New Hampshire in December |
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