UV Index
UV Index
Today's UV index in Riga, Latvia 
will be up to 3.8, 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: 2025-05-09
With a UV index reaching up to 3.8 in Riga, 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 Riga is usually low to moderate, ranging from about 1 to 6 depending on the time of year. It is highest in late spring and summer months and lowest during winter.
Riga experiences four distinct seasons. Winters are cold, often below freezing with snow. Springs are cool and gradually warmer. Summers are mild to warm with temperatures around 20-25°C (68-77°F). Autumn brings cooler and rainier weather.
Compared to other Baltic cities like Tallinn and Vilnius, Riga's weather is similar, with cold winters and mild summers. It is generally colder and snowier than countries further south, such as Poland or Germany. Neighboring Lithuania to the south shares similar seasonal weather patterns.
See the UV index hour by hour for Riga, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.