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UV Index in Longyearbyen

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Today's UV index in Longyearbyen, Svalbard and Jan Mayen Svalbard and Jan Mayen will be up to 2.3, indicating a low 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.


Today's tips

Today, the UV index suggests low sun danger (0-2) in Longyearbyen, reaching up to 2.3. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Longyearbyen's UV Index

The UV index in Longyearbyen, Svalbard and Jan Mayen can be very high, especially in the summer months. This is due to the city's proximity to the North Pole and the long days of sunlight during this time.

Weather Seasons

UV index

The weather seasons in Longyearbyen are quite different from those in temperate climates. There is no real summer or winter, but rather a period of polar night from November to February, when the sun does not rise above the horizon, and a period of midnight sun from May to August, when the sun does not set below the horizon.

Longyearbyen's Climate

Longyearbyen is much colder than its neighboring countries in Europe, with temperatures that can drop below -20°C in the winter. Despite its location in the Arctic, the city experiences milder temperatures than other places at the same latitude, due to the Gulf Stream which brings warm water from the Atlantic to the shores of Svalbard.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Longyearbyen. 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 Longyearbyen (Svalbard and Jan Mayen) 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.