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New Hampshire weather in August 2025
Expect 27°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in New Hampshire in August. Check more long-term weather averages for New Hampshire in August before you book your next holiday to New Hampshire in 2025/2026.
- 27°C max day temperature
27 - 8 hours of sunshine per day
- 11 days with some rainfall
11 - 13°C min night temperature
13 - 14 hours of daylight per day
14 - Low heat & humidity
L - 87 mm of monthly rainfall
87 - 7 (High) UV index
7
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The August weather guide for New Hampshire (Concord) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top New Hampshire destinations
Below are average maximum temperatures at popular countries, regions and places in New Hampshire in August. Select a holiday destination to see more weather parameters.
All New Hampshire destinations
- Colebrook
- Concord
- Conway
- Franconia
- Hampton
- Keene
- Lake Sunapee
- Lincoln
- Manchester
- Portsmouth
- Wolfeboro
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in New Hampshire in August?
Daytime temperatures usually reach 27°C in Concord, New Hampshire in August with low heat and humidity, falling to 13°C at night.
How sunny is it in New Hampshire in August?
There are normally 8 hours of bright sunshine each day in Concord, New Hampshire in August - that's 60% of daylight hours.
Does it rain in New Hampshire in August?
There are usually 11 days with some rain in Concord, New Hampshire in August and the average monthly rainfall is 87mm.
What is the chance of a hurricane in New Hampshire in August?
On average less than 1 day in August in Concord, New Hampshire is likely to be affected by the passage of one or more tropical storms.
New Hampshire August sunrise & sunset times
Browse the sunrise and sunset times for New Hampshire in August 2025. Select a month to view New Hampshire sunrise and sunset times for the next 12 months. The New Hampshire sunrise and sunset times shown below are for Concord.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 04:37 | 19:07 |
| Saturday, 16th August 2025 | 04:53 | 18:47 |
| Sunday, 31st August 2025 | 05:10 | 18:22 |
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