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Myrtle Beach weather in August 2025
Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Myrtle Beach in August. Check more long-term weather averages for Myrtle Beach in August before you book your next holiday to South Carolina in 2025/2026.
- 32°C max day temperature
32 - 8 hours of sunshine per day
- 12 days with some rainfall
12 - 21°C min night temperature
21 - 13 hours of daylight per day
13 - High heat & humidity
H - 145 mm of monthly rainfall
145 - 10 (Very High) UV index
10 - 28°C sea temperature
28
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Recommended for South Carolina
The August weather guide for South Carolina (Myrtle Beach) 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 Myrtle Beach in August?
Daytime temperatures usually reach 32°C in Myrtle Beach in August with high heat and humidity, falling to 21°C at night.
How sunny is it in Myrtle Beach in August?
There are normally 8 hours of bright sunshine each day in Myrtle Beach in August - that's 61% of daylight hours.
How warm is the sea around Myrtle Beach in August?
The average sea temperature around Myrtle Beach in August is 28°C.
Does it rain in Myrtle Beach in August?
There are usually 12 days with some rain in Myrtle Beach in August and the average monthly rainfall is 145mm.
What is the chance of a hurricane in Myrtle Beach in August?
On average 1.1 days in August in Myrtle Beach are likely to be affected by the passage of one or more tropical storms.
Myrtle Beach August sunrise & sunset times
Browse the sunrise and sunset times for Myrtle Beach in August 2025. Select a month to view Myrtle Beach sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:28 | 19:15 |
| Saturday, 16th August 2025 | 05:39 | 19:00 |
| Sunday, 31st August 2025 | 05:49 | 18:42 |
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