August
Weather in New Hampshire for August 2026
Your guide to New Hampshire weather in August - trends and predictions
In general, the average temperature in New Hampshire at the beginning of August is 23.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.1 °F by the end of August.
New Hampshire experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 40.8 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
24°/14°
Temperatures
11 km/h
Avg max wind
73 %
Avg humidity
New Hampshire Weather August
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Temperatures trend during August in New Hampshire
See the weather trend as well as the moving average line
August weather in New Hampshire day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Heavy rain at times | 17° /14° | 5.9 mm | 2 | |
| Aug. 2 |  Sunny | 25° /11° | 0 mm | 10 | |
| Aug. 3 | Sunny | 28° /13° | 0 mm | 10 | |
| Aug. 4 |  Thundery outbreaks possible | 28° /17° | 0 mm | 10 | |
| Aug. 5 |  Overcast | 23° /16° | 0 mm | 6 | |
| Aug. 6 |  Mist | 20° /14° | 0 mm | 4 | |
| Aug. 7 | Fog | 21° /14° | 0 mm | 4 | |
| Aug. 8 |  Moderate rain at times | 25° /15° | 3.6 mm | 10 | |
| Aug. 9 |  Partly cloudy | 27° /16° | 0 mm | 9 | |
| Aug. 10 |  Cloudy | 28° /15° | 0 mm | 10 | |
| Aug. 11 | Thundery outbreaks possible | 30° /20° | 0 mm | 9 | |
| Aug. 12 | Partly cloudy | 33° /20° | 0 mm | 9 | |
| Aug. 13 | Moderate or heavy rain shower | 30° /21° | 10.3 mm | 9 | |
| Aug. 14 | Fog | 28° /19° | 0 mm | 7 | |
| Aug. 15 | Partly cloudy | 23° /14° | 0 mm | 9 | |
| Aug. 16 | Mist | 26° /14° | 0 mm | 9 | |
| Aug. 17 |  Light rain shower | 29° /15° | 1.7 mm | 9 | |
| Aug. 18 | Sunny | 22° /11° | 0 mm | 9 | |
| Aug. 19 | Overcast | 18° /11° | 0 mm | 5 | |
| Aug. 20 | Overcast | 17° /11° | 0 mm | 2 | |
| Aug. 21 | Mist | 23° /8° | 0 mm | 8 | |
| Aug. 22 | Cloudy | 25° /13° | 0 mm | 8 | |
| Aug. 23 | Cloudy | 27° /14° | 0 mm | 8 | |
| Aug. 24 | Mist | 23° /15° | 0.1 mm | 5 | |
| Aug. 25 | Light rain shower | 21° /18° | 13.2 mm | 2 | |
| Aug. 26 | Partly cloudy | 22° /10° | 0 mm | 8 | |
| Aug. 27 | Thundery outbreaks possible | 19° /10° | 0 mm | 8 | |
| Aug. 28 | Overcast | 20° /7° | 0 mm | 8 | |
| Aug. 29 | Moderate or heavy rain shower | 19° /7° | 6 mm | 4 | |
| Aug. 30 | Overcast | 19° /9° | 0 mm | 7 | |
| Aug. 31 | Cloudy | 21° /7° | 0 mm | 7 | |
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Important Notice
Our weather forecast for New Hampshire in August 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 August - FAQ
What are the expected maximum and minimum temperatures in New Hampshire during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Hampshire during August?
In August, New Hampshire can expect light to moderate rainfall, totaling 40.8 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in New Hampshire during August?
The average wind speed in New Hampshire during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in New Hampshire
Explore the daily rainfall trends and prepare for New Hampshires August weather 💧
Typically, New Hampshire has 6 rainy days in August with a total of 40.8 mm of rainfall.
UV exposure in New Hampshire during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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