UV Index
UV Index
Today's UV index in Jonava, Lithuania 
will be up to 5.7, 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: 2025-06-01
With a UV index reaching up to 5.7 in Jonava, 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.
Jonava, Lithuania, experiences UV index levels that vary seasonally, typically reaching moderate to high values in summer months and dropping to low levels during winter. The highest UV levels often occur around midday in June and July.
Seasonally, Jonava has cold winters with snow and frost, mild springs with gradual warming, warm summers that can be sunny, and cool, rainy autumns. Winter temperatures often fall below freezing, while summer highs usually range between 20 to 25°C.
Compared to neighboring countries like Latvia and Poland, Jonava's weather is similar, with a temperate climate and distinct seasons. It generally has slightly colder winters than Poland but shares similar summer warmth and precipitation patterns with the Baltic region.
See the UV index hour by hour for Jonava, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.