Myrtle Beach Weather in May
What's the weather like in Myrtle Beach (South Carolina) in May 2025?
The climate in Myrtle Beach during May can be summarized as warm, humid and damp.
May is in the spring in Myrtle Beach and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 15°C (60°F) is normal.
| Daytime temperature | 27.8°C 82°F |
|---|---|
| Nightly temperature | 15.3°C 59.5°F |
| Average temperature | 21.5°C 70.7°F |
| Daily sunshine | 9.9 hrs |
| Avg rainfall | 101 mm 4 ins |
| Rainy days | 9 days |
| Sea temperature | 23.7°C 74.7°F |
| Humidity | 73% |
| Windspeed | 14.4kph 9 mph |
On average May is the 6th driest month of the year in Myrtle Beach with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
May temperatures in Myrtle Beach
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Myrtle Beach in May 2025.
Other monthly averages
Myrtle Beach weather stats
| Hottest month: | July | 32°C 89.6°F |
|---|---|---|
| Driest month: | November | 70mm 2.8ins |
| Sunniest month: | April | 9.7hrs |
| Coldest month: | January | 13.1°C 55.6°F |
| Wettest month: | July | 171mm 6.7ins |
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