UV Index
UV Index
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Today's UV index in Oslo, Norway 
will be up to 0.3, 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, the UV index suggests low sun danger (0-2) in Oslo, reaching up to 0.3. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
The UV index in Oslo, Norway, is generally low to moderate. It reaches its peak during the summer months, from May to August, with index values ranging from 3 to 6. The rest of the year, the UV index is typically low, rarely exceeding 2.
Oslo experiences four distinct seasons, each with its unique weather patterns. Winter, from December to February, is cold and snowy, with temperatures often dipping below freezing. Spring, from March to May, is mild and sees the city gradually thawing out. Summers, from June to August, are pleasant, with temperatures averaging around 20°C (68°F). Autumn, from September to November, is crisp and cool, with falling leaves and shorter days.
Compared to other regions and neighbouring countries, Oslo is relatively mild due to its coastal location and the Gulf Stream's influence. Despite its northerly latitude, it experiences milder winters than other cities at similar latitudes. For example, Oslo tends to be warmer than places like Moscow or Edmonton in Canada, mainly due to the tempering effect of the North Atlantic.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Oslo. It's designed to provide you with a better understanding of the yearly weather and sun exposure.