UV Index
UV Index
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Today's UV index in Lillestrøm, Norway 
will be up to 3.5, 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 3.5 in Lillestrøm, 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 Lillestrøm, Norway is generally low due to its high latitude. During summer, the index can reach a maximum of 5-6, while in winter, it remains at a stable 0.
Lillestrøm experiences four distinct seasons. Summer brings warm temperatures around 20°C, while winter sees snow and temperatures that can drop below freezing. Spring and autumn are often mild and wet.
Compared to its region and neighboring countries, Lillestrøm's climate is relatively temperate. Nearby Sweden and Finland have colder climates due to their interior locations, while the west coast of Norway experiences more rain due to the Gulf Stream.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Lillestrøm. It's designed to provide you with a better understanding of the yearly weather and sun exposure.