UV Index
UV Index
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Today's UV index in Vilnius, Lithuania 
will be up to 3.1, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 3.1 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, Lithuania, can reach high levels during the summer months, with a maximum index of 8. However, from October to March, the UV index is generally low, rarely exceeding 2.
Vilnius experiences four distinct seasons, with cold winters and warm summers. Winter lasts from December to February and brings snow and temperatures as low as -10°C. Spring arrives in March and brings milder temperatures before summer starts in June, with average highs of 20°C. Autumn arrives in September, with cooler temperatures and colorful foliage.
Compared to its region and neighboring countries, Vilnius tends to have colder winters than other Baltic cities, such as Riga and Tallinn. However, it has warmer summers than some Eastern European countries, like Moscow and Minsk. The city's weather is influenced by its continental climate, with hot summers and cold winters.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Vilnius. It's designed to provide you with a better understanding of the yearly weather and sun exposure.