Myrtle Beach weather in January
January in Myrtle Beach: cool, rainy, with clean air — a good time to visit.
#12 of 12 months in Myrtle Beach · #405 of 604 destinations to visit in January · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Myrtle Beach climate normals — January
| Daytime high | 14°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 83 mm / 3.3 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 7 h/day | |
| Daylight | 10.2 h | |
| Wind | 19 km/h / 12 mph | |
| Snowfall | 0.4 cm / 0.2 in | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Myrtle Beach in January — FAQ
- Is January a good time to visit Myrtle Beach?
- January in Myrtle Beach: cool, rainy, with clean air — a good time to visit. It ranks #12 of 12 months for Myrtle Beach on SeasonMap's comfort score (60/100).
- What is the weather like in Myrtle Beach in January?
- In January, Myrtle Beach averages a daily high of 14.3°C and a low of 7.2°C, with about 82.6 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Myrtle Beach in January?
- Myrtle Beach has a mean US Air Quality Index of about 38 in January.