UV Index
UV Index
Today's UV index in Reykjavik, Iceland 
will be up to 4.5, 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: 2025-06-22
With a UV index reaching up to 4.5 in Reykjavik, 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.
Reykjavik's UV index is generally low throughout the year, often ranging between 0 and 3, because it is located far north and receives limited direct sunlight. The UV exposure is slightly higher in summer but remains moderate.
The weather in Reykjavik has cold winters with temperatures often below freezing and mild summers around 10 to 15°C (50-59°F). It is rainy and windy year-round, with frequent cloudy skies and short daylight in winter but nearly 24-hour daylight in summer.
Compared to other Nordic countries, Reykjavik is colder and windier but less snowy than inland areas of Norway and Sweden. Iceland has milder winters than Greenland and more variable weather than nearby countries like Denmark due to its oceanic climate.
See the UV index hour by hour for Reykjavik, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.