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UV Index in Tromsø, NO

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Today's UV index in Tromsø, Norway Norway will be up to 0, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.


Today's tips

Today, the UV index suggests low sun danger (0-2) in Tromsø, reaching up to 0. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Tromsø Weather

Read more here about the climate and sun exposure in and around Tromsø.

UV Index in Tromsø

The UV index in Tromsø, Norway, varies throughout the year. In summer (June-August), the UV index can reach high levels, averaging around 5-7. This indicates moderate to high risk of harm from unprotected sun exposure. In winter (December-February), the UV index remains low, typically ranging from 0-1, posing minimal risk for sunburn.

Weather Seasons

UV index

Tromsø experiences distinct weather seasons throughout the year. Summer brings a mild climate, with temperatures averaging around 8-15 °C (46-59 °F). Autumn (September-November) brings cooler temperatures, ranging from 3-10 °C (37-50 °F), with increasing rainfall. Winter is the coldest season, with temperatures ranging from -4 to -11 °C (24-12 °F), accompanied by snowfall. Spring (March-May) sees milder temperatures returning, ranging from -2 to 4 °C (28-39 °F), with varying amounts of sunshine.

Tromsø's Climate

Compared to other regions, Tromsø has relatively short daylight hours in winter, with polar nights lasting between November and January. Conversely, during summer, Tromsø experiences the midnight sun from late May to mid-July. The extended daylight hours during this period provide an opportunity to enjoy outdoor activities even late at night. However, the high latitude of Tromsø results in increased sunlight exposure in the summer, making it essential to protect skin from harmful UV rays.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Tromsø. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Tromsø (Norway) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.