UV Index
UV Index
Today's UV index in Vilnius, Lithuania 
will be up to 5.5, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-21
With a UV index reaching up to 5.5 in Vilnius, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Vilnius varies throughout the year, typically ranging from low to moderate levels. It is lowest in winter and highest during summer months, often reaching moderate levels in June and July.
Vilnius has cold winters with temperatures often dropping below freezing, and warm summers with temperatures reaching around 20-25°C. Spring and autumn are mild but can be unpredictable, with varying rain and cloud cover.
Compared to nearby countries like Latvia and Poland, Vilnius has similar seasonal weather patterns but can be slightly colder in winter. It is generally less rainy than some western Baltic regions but has comparable summer warmth and winter cold to its neighbors.
See the UV index hour by hour for Vilnius, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.