May
Weather in New Hampshire for May 2026
Your guide to New Hampshire weather in May - trends and predictions
In general, the average temperature in New Hampshire at the beginning of May is 16.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 18 °F by the end of May.
New Hampshire in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 218.2 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
16°/7°
Temperatures
12 km/h
Avg max wind
77 %
Avg humidity
New Hampshire Weather May
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Temperatures trend during May in New Hampshire
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May weather in New Hampshire day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 18° /1° | 0 mm | 8 | |
| May 2 |  Heavy rain at times | 21° /6° | 1.5 mm | 4 | |
| May 3 |  Moderate or heavy rain shower | 22° /10° | 5.2 mm | 4 | |
| May 4 | Heavy rain at times | 14° /9° | 13.7 mm | 2 | |
| May 5 | Overcast | 13° /9° | 0.8 mm | 1 | |
| May 6 | Moderate rain at times | 11° /7° | 6.2 mm | 1 | |
| May 7 |  Patchy rain possible | 19° /8° | 3.3 mm | 2 | |
| May 8 | Moderate or heavy rain shower | 18° /8° | 7.7 mm | 5 | |
| May 9 | Moderate or heavy rain shower | 10° /6° | 27.1 mm | 1 | |
| May 10 | Moderate or heavy rain shower | 13° /6° | 23.6 mm | 2 | |
| May 11 |  Partly cloudy | 16° /7° | 0 mm | 9 | |
| May 12 |  Cloudy | 21° /4° | 0 mm | 8 | |
| May 13 | Overcast | 20° /8° | 0 mm | 9 | |
| May 14 |  Sunny | 24° /6° | 0 mm | 9 | |
| May 15 | Heavy rain at times | 21° /12° | 2.6 mm | 2 | |
| May 16 | Patchy rain possible | 25° /14° | 2.4 mm | 2 | |
| May 17 | Moderate or heavy rain shower | 14° /11° | 19.8 mm | 1 | |
| May 18 | Patchy rain possible | 18° /11° | 0.5 mm | 5 | |
| May 19 | Moderate rain at times | 10° /5° | 3.4 mm | 3 | |
| May 20 | Patchy rain possible | 13° /6° | 0.1 mm | 2 | |
| May 21 | Patchy rain possible | 10° /5° | 0.3 mm | 1 | |
| May 22 | Moderate or heavy rain shower | 7° /3° | 21.8 mm | 1 | |
| May 23 | Moderate or heavy rain shower | 8° /2° | 24.3 mm | 1 | |
| May 24 | Patchy rain possible | 10° /4° | 1.9 mm | 3 | |
| May 25 | Cloudy | 13° /3° | 0 mm | 7 | |
| May 26 | Cloudy | 17° /5° | 0 mm | 10 | |
| May 27 | Cloudy | 22° /8° | 0 mm | 10 | |
| May 28 | Partly cloudy | 23° /13° | 0 mm | 10 | |
| May 29 | Moderate or heavy rain shower | 16° /10° | 17.1 mm | 2 | |
| May 30 |  Mist | 20° /11° | 0 mm | 3 | |
| May 31 | Moderate or heavy rain shower | 15° /12° | 34.9 mm | 2 | |
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Important Notice
Our weather forecast for New Hampshire in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New Hampshire forecast closer to your planned date for the most up-to-date weather information.
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New Hampshire in May - FAQ
What are the expected maximum and minimum temperatures in New Hampshire during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Hampshire during May?
Significant rainfall exceeding 218.2 mm is expected in New Hampshire during May, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Hampshire during May?
The average wind speed in New Hampshire during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in New Hampshire
Explore the daily rainfall trends and prepare for New Hampshires May weather 💧
Typically, New Hampshire has 20 rainy days in May with a total of 218.2 mm of rainfall.
UV exposure in New Hampshire during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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