Myrtle Beach weather in May
May in Myrtle Beach: warm, rainy — one of the best months to visit.
#1 of 12 months in Myrtle Beach · #177 of 604 destinations to visit in May · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Myrtle Beach climate normals — May
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 95 mm / 3.7 in | 🌧 rainy |
| Rainy days | 8 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 16°C / 62°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 13.9 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Myrtle Beach in May — FAQ
- Is May a good time to visit Myrtle Beach?
- May in Myrtle Beach: warm, rainy — one of the best months to visit. It ranks #1 of 12 months for Myrtle Beach on SeasonMap's comfort score (86/100).
- What is the weather like in Myrtle Beach in May?
- In May, Myrtle Beach averages a daily high of 25.9°C and a low of 18.9°C, with about 95 mm of rain over roughly 8.4 rainy days.
- What is the air quality in Myrtle Beach in May?
- Myrtle Beach has a mean US Air Quality Index of about 51 in May.