UV index today  UV Index

UV Index in Trondheim, NO

UV index


Cloud cover



00.0 ℃


Today's UV index in Trondheim, Norway Norway will be up to 0.1, 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 Trondheim, reaching up to 0.1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Trondheim Weather

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

UV Index in Trondheim

The UV index in Trondheim, Norway, tends to vary throughout the year. During summer (June-August), the UV index can reach high levels, ranging from 6 to 8 (moderate to very high), which means there is a moderate-to-high risk of harm from unprotected sun exposure. It is important to protect your skin during these months by using sunscreen, wearing hats, and seeking shade when the sun is strongest.

Weather Seasons

UV index

Trondheim experiences four distinct seasons: spring, summer, autumn, and winter. Spring (March-May) is characterized by gradually increasing temperatures, ranging from around 0 °C (32 °F) to 10 °C (50 °F), with occasional rainfall. Summer (June-August) brings milder temperatures ranging between 13 °C (55 °F) and 20 °C (68 °F), and it is generally the driest period. Autumn (September-November) sees temperatures drop, ranging from 5 °C (41 °F) to 11 °C (52 °F), and a return of rainfall. Winter (December-February) is cold, with temperatures dropping below freezing, often ranging from -5 °C (23 °F) to -10 °C (14 °F), and snow is common.

Trondheim's Climate

Compared to other regions in Norway, Trondheim generally receives less sun exposure. In the summer months, the region experiences long daylight hours due to its northern latitude. However, during winter, it receives limited sunlight, with short daylight hours. Overall, Trondheim's weather can be variable, but it offers a unique blend of seasons and natural beauty that is worth experiencing throughout the year.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Trondheim. 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 Trondheim (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.