Sanya weather in April

April in Sanya: hot, a little rain, with very humid — one of the best months to visit.
#2 of 12 months in Sanya · #149 of 897 destinations to visit in April · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sanya in April
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Sanya climate normals — April
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Rainfall | 47 mm / 1.8 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12.6 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sanya in April — FAQ
- Is April a good time to visit Sanya?
- April in Sanya: hot, a little rain, with very humid — one of the best months to visit. It ranks #2 of 12 months for Sanya on SeasonMap's comfort score (89/100).
- What is the weather like in Sanya in April?
- In April, Sanya averages a daily high of 29.4°C and a low of 24.4°C, with about 46.8 mm of rain over roughly 7.8 rainy days.
- What is the air quality in Sanya in April?
- Sanya has a mean US Air Quality Index of about 55 in April.