Haikou UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index11.4
- Avg Clouds63%
- Max Temp33 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Haikou, China 
will reach a high of 11.4 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-21
Hourly Forecast Chart
Today's Safety Tips
Extreme danger! Avoid being in the sun, especially during midday. If you go out, cover up with clothing, a hat, and sunglasses, and use plenty of sunscreen.
Haikou's UV Index
The UV index in Haikou is generally high, especially from March to September, often reaching levels between 8 and 11, indicating strong sun exposure during these months.
Weather Seasons
Haikou experiences a tropical monsoon climate with hot, humid summers from May to October and mild, dry winters from November to April. Rainfall peaks in the summer, while winters remain relatively dry and cooler.
Haikou's Climate
Compared to northern China, Haikou is warmer year-round and receives more rainfall. It is sunnier and drier in winter than other parts of Hainan Island and generally sunnier than neighboring coastal areas in Southeast Asia.
Hourly UV Index Trend
See the UV index hour by hour for Haikou. When the level is high, it's smart to find some shade.
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