UV Index
UV Index
Today's UV index in Nuuk, Greenland 
will be up to 5.3, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
With a UV index reaching up to 5.3 in Nuuk, 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 Nuuk is generally low throughout the year, rarely reaching high levels due to its northern location and frequent cloud cover. UV radiation is weakest in winter and slightly stronger during summer months.
Seasonally, Nuuk experiences cold, long winters with temperatures often below freezing and short, cool summers where temperatures can rise to around 10°C (50°F). Snow is common from late autumn to early spring, and daylight varies greatly with almost no sun in winter and nearly full daylight in summer.
Compared to other parts of Greenland, Nuuk is milder due to its coastal location. Its weather is colder and more stable than in neighboring countries like Iceland, which has milder winters and warmer summers because it is further south and influenced by the Gulf Stream.
See the UV index hour by hour for Nuuk, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.