UV Index
UV Index
Today's UV index in Sofia, Bulgaria 
will be up to 7.1, indicating a 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 Sofia's UV index reaching 7.1, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
Sofia's UV index is highest in June and July, often reaching levels around 7 to 8, meaning strong sun exposure during midday. In winter, the UV index drops to about 1 or 2, indicating much weaker sunlight.
Sofia experiences four distinct seasons: cold, snowy winters with temperatures often below zero; warm springs with moderate rainfall; hot summers sometimes exceeding 30°C (86°F); and cool, colorful autumns. Snow is common in winter, while summers are mostly dry.
Compared to other parts of Bulgaria, Sofia is cooler because it sits in a valley surrounded by mountains. Its weather is milder than coastal areas like Varna, which have warmer winters and higher humidity. Neighboring countries like Serbia and Romania have similar seasonal changes but may be slightly warmer or colder depending on location.
See the UV index hour by hour for Sofia, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.