Longyearbyen UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index1.7
- Avg Clouds74%
- Max Temp15.2 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Longyearbyen, Svalbard and Jan Mayen 
will reach a high of 1.7 today. This means a low level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-10
Hourly Forecast Chart
Today's Safety Tips
The sun danger is low (0-2). You can enjoy the outdoors safely! On bright days, sunglasses are a good idea.
Longyearbyen's UV Index
Longyearbyen, Svalbard, has a low to moderate UV index, usually ranging from 0 to 3, peaking in late spring and summer months. Jan Mayen experiences a slightly higher UV index, generally between 1 and 4 during summer.
Weather Seasons
In Longyearbyen, winters are very cold and dark with temperatures often below freezing, while summers are cool and have continuous daylight. Jan Mayen has cold, windy winters and cool summers with more variable weather due to ocean influence and more frequent fog.
Longyearbyen's Climate
Compared to mainland Norway, both locations are colder and have harsher winters. Jan Mayen is wetter and windier than Longyearbyen, and both places experience more extreme polar conditions than neighboring countries like Iceland, which have milder climates.
Hourly UV Index Trend
See the UV index hour by hour for Longyearbyen. When the level is high, it's smart to find some shade.
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