UV Index
Surabaya UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index10.5
- Avg Clouds6%
- Max Temp31.2 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Surabaya, Indonesia 
will reach a high of 10.5 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-01
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.
Surabaya's UV Index
The UV index in Surabaya is generally high throughout the year, often ranging from 8 to 12, meaning the sun's rays are strong and can cause sunburn quickly, especially around midday. Surabaya has a tropical climate, with a wet season from November to March featuring heavy rain and a dry season from April to October with less rain and more sunshine. Temperatures remain warm year-round, usually between 24°C and 33°C (75°F to 91°F). Compared to other parts of Indonesia, Surabaya is relatively drier than western islands like Sumatra and has more pronounced dry and wet seasons. Neighboring countries like Malaysia and the Philippines also experience tropical weather but may have slightly different rainfall patterns and cooler temperatures in some highland areas.
Hourly UV Index Trend
See the UV index hour by hour for Surabaya. When the level is high, it's smart to find some shade.
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