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South Carolina weather in August 2025
Expect 90°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in South Carolina in August. Check more long-term weather averages for South Carolina in August before you book your next holiday to South Carolina in 2025/2026.
- 90°F max day temperature
90 - 9 hours of sunshine per day
- 10 days with some rainfall
10 - 68°F min night temperature
68 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 5.2 inches of monthly rainfall
5.2 - 10 (Very High) UV index
10
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Recommended for South Carolina
The August weather guide for South Carolina (Columbia) 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 South Carolina destinations
Below are average maximum temperatures at popular countries, regions and places in South Carolina in August. Select a holiday destination to see more weather parameters.
All South Carolina destinations
- Aiken
- Charleston
- Columbia
- Florence
- Greenville
- Greenwood
- Hilton Head Island
- Myrtle Beach
- Orangeburg
- Rock Hill
Metric (°C) | Imperial (°F)
More about the USA
How hot is it in South Carolina in August?
Daytime temperatures usually reach 90°F in Columbia, South Carolina in August with very high heat and humidity, falling to 68°F at night.
How sunny is it in South Carolina in August?
There are normally 9 hours of bright sunshine each day in Columbia, South Carolina in August - that's 64% of daylight hours.
Does it rain in South Carolina in August?
There are usually 10 days with some rain in Columbia, South Carolina in August and the average monthly rainfall is 5.2 inches.
What is the chance of a hurricane in South Carolina in August?
On average less than 1 day in August in Columbia, South Carolina is likely to be affected by the passage of one or more tropical storms.
South Carolina August sunrise & sunset times
Browse the sunrise and sunset times for South Carolina in August 2025. Select a month to view South Carolina sunrise and sunset times for the next 12 months. The South Carolina sunrise and sunset times shown below are for Columbia.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:36 | 19:25 |
| Saturday, 16th August 2025 | 05:47 | 19:09 |
| Sunday, 31st August 2025 | 05:57 | 18:51 |
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