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Charleston weather in August 2025
Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Charleston in August. Check more long-term weather averages for Charleston in August before you book your next holiday to West Virginia in 2025/2026.
- 2929°C max day temperature
- 8 hours of sunshine per day
- 1111 days with some rainfall
- 1717°C min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 102102 mm of monthly rainfall
- 99 (Very High) UV index
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The August weather guide for West Virginia (Charleston) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Charleston in August?
Daytime temperatures usually reach 29°C in Charleston in August with moderate heat and humidity, falling to 17°C at night.
How sunny is it in Charleston in August?
There are normally 8 hours of bright sunshine each day in Charleston in August - that's 57% of daylight hours.
Does it rain in Charleston in August?
There are usually 11 days with some rain in Charleston in August and the average monthly rainfall is 102mm.
Charleston August sunrise & sunset times
Browse the sunrise and sunset times for Charleston in August 2025. Select a month to view Charleston sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:29 | 19:36 |
Saturday, 16th August 2025 | 05:42 | 19:19 |
Sunday, 31st August 2025 | 05:56 | 18:57 |
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