South Carolina (Myrtle Beach)
May
Weather in South Carolina for May 2026
Your guide to South Carolina weather in May - trends and predictions
Coastal Flood Advisory - See hour by hour.
Until now, May 2026 in South Carolina has been significantly cooler than historical averages by -2 °F, with average temperature of 21.8 °F.
The forecast for the upcoming days in South Carolina predicts a temperature of 25.9 °F, which is slightly above the historical average.
In general, the average temperature in South Carolina at the beginning of May is 23.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 26.9 °F by the end of May.
South Carolina experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 240.9 mm.
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Temperatures
Rain 🌧️
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8
Dry days
23
Rainy days
0
Snow days
25°/20°
Temperatures
20 km/h
Avg max wind
76 %
Avg humidity
South Carolina Weather May
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What’s the Weather Like in South Carolina This May?
Discover the average temperatures and weather trends across South Carolina’s cities this May.
Temperatures trend during May in South Carolina
See the weather trend as well as the moving average line
May weather in South Carolina day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 22° /16° | 5.1 mm | 6 | |
| May 2 |  Partly cloudy | 22° /16° | 7.3 mm | 5 | |
| May 3 |  Sunny | 23° /16° | 0 mm | 8 | |
| May 4 |  Patchy rain possible | 23° /18° | 11.9 mm | 7 | |
| May 5 | Light rain shower | 23° /18° | 1.9 mm | 7 | |
| May 6 |  Patchy light drizzle | 26° /19° | 2.4 mm | 8 | |
| May 7 | Patchy rain possible | 24° /19° | 1.1 mm | 5 | |
| May 8 | Overcast | 25° /18° | 0 mm | 7 | |
| May 9 | Sunny | 26° /19° | 7.3 mm | 7 | |
| May 10 | Light rain shower | 25° /18° | 2.3 mm | 6 | |
| May 11 |  Moderate or heavy rain shower | 24° /16° | 12.8 mm | 6 | |
| May 12 | Partly cloudy | 22° /17° | 11 mm | 7 | |
| May 13 | Partly cloudy | 24° /17° | 46.1 mm | 7 | |
| May 14 | Light rain shower | 24° /18° | 10.4 mm | 7 | |
| May 15 | Sunny | 26° /10° | 0 mm | 8.7 | |
| May 16 | Sunny | 25° /18° | 0 mm | 8.9 | |
| May 17 | Partly cloudy | 27° /21° | 0 mm | 8 | |
| May 18 | Sunny | 26° /20° | 0 mm | 9.7 | |
| May 19 | Sunny | 26° /21° | 0 mm | 0.8 | |
| May 20 | Patchy rain possible | 27° /21° | 0.4 mm | 5 | |
| May 21 |  Moderate rain | 26° /17° | 10.7 mm | 5 | |
| May 22 | Patchy rain possible | 24° /16° | 0.2 mm | 4 | |
| May 23 | Sunny | 24° /15° | 0 mm | 5 | |
| May 24 | Partly cloudy | 26° /19° | 0 mm | 6 | |
| May 25 | Patchy rain possible | 27° /21° | 1 mm | 5 | |
| May 26 | Patchy rain possible | 27° /21° | 0.7 mm | 5 | |
| May 27 | Sunny | 26° /17° | 0 mm | 6 | |
| May 28 | Sunny | 25° /16° | 0 mm | 6 | |
| May 29 | Sunny | 28° /21° | 22.7 mm | 7 | |
| May 30 | Sunny | 28° /21° | 12.7 mm | 7 | |
| May 31 | Patchy rain possible | 27° /18° | 2.6 mm | 7 | |
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Important Notice
Our weather forecast for South Carolina in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the South Carolina forecast closer to your planned date for the most up-to-date weather information.
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South Carolina in May - FAQ
What are the expected maximum and minimum temperatures in South Carolina during May?
During May, expect a variety of temperatures with highs around 25° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in South Carolina during May?
Significant rainfall exceeding 240.9 mm is expected in South Carolina during May, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in South Carolina during May?
The average wind speed in South Carolina during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in South Carolina
Explore the daily rainfall trends and prepare for South Carolinas May weather 💧
Typically, South Carolina has 23 rainy days in May with a total of 240.9 mm of rainfall.
UV exposure in South Carolina during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Counties in South Carolina
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Top locations in South Carolina
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Where is South Carolina?Get accurate weather forecasts for South Carolina, located at latitude 33.689 and longitude -78.887. Stay updated with localized weather information tailored for South Carolina.
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