UV Index
UV Index
Today's UV index in Tallinn, Estonia 
will be up to 3.5, 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: 2025-05-10
With a UV index reaching up to 3.5 in Tallinn, 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.
Tallinn's UV index is generally low due to its northern location, typically ranging from 0 to 3, with the highest values in late spring and early summer. UV exposure is modest compared to southern Europe. Tallinn experiences cold winters with temperatures often below freezing, and short, mild summers. Snow is common in winter months. Spring and autumn are cool and can be rainy. The weather varies significantly by season, with long daylight hours in summer and short days in winter. Compared to neighboring Latvia and Finland, Tallinn's climate is similar but slightly cooler than southern Latvia and generally milder than inland Finland. Coastal Baltic conditions influence all three countries, causing moderate temperature swings. Tallinn's weather is cooler and less sunny than much of southern Europe but similar to nearby Baltic Sea nations.
See the UV index hour by hour for Tallinn, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.