UV Index
Hong Kong UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index10.9
- Avg Clouds100%
- Max Temp26.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Hong Kong, 
will reach a high of 10.9 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-23
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
Hong Kong's UV Index
Hong Kong's UV index can get very high, especially in summer, often reaching levels that are considered extreme, around 10 or more. It is lower in winter, usually between 1 and 3. The city experiences hot, humid summers with heavy rain from May to September. Winters are mild and dry, from December to February, with cooler temperatures and less humidity. Spring and autumn are transitional seasons with variable weather and moderate temperatures. Compared to nearby cities like Guangzhou and Shenzhen in China, Hong Kong tends to be more humid because it is by the sea. It is generally warmer and wetter than cities further north in China but cooler and less rainy than tropical countries like the Philippines or Malaysia.
Hourly UV Index Trend
See the UV index hour by hour for Hong Kong. When the level is high, it's smart to find some shade.
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