UV Index
UV Index
Today's UV index in Surabaya, Indonesia 
will be up to 8.1, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-09
With a UV index of 8.1 in Surabaya, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
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.
See the UV index hour by hour for Surabaya, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.