UV Index
UV Index
Today's UV index in Luleå, Sweden 
will be up to 4.7, 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: 2025-07-16
With a UV index reaching up to 4.7 in Luleå, 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 Luleå is generally low, especially during the long winters. It can reach moderate levels in the summer months, particularly around June when the sun stays up almost all day.
Luleå has cold winters with lots of snow and temperatures often below freezing. Summers are short and mild, with long daylight hours. Spring and autumn are brief and can be quite chilly.
Compared to southern Sweden, Luleå is much colder and snowier because it is farther north. Its weather is similar to other parts of northern Sweden but colder than neighboring Norway and Finland’s coastal areas, which are influenced by the sea.
See the UV index hour by hour for Luleå, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.