UV Index
UV Index
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Today's UV index in Reykjavik, Iceland 
will be up to 0.1, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
Today, the UV index suggests low sun danger (0-2) in Reykjavik, reaching up to 0.1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Reykjavik.
The UV index in Reykjavik, Iceland, typically ranges from low to moderate throughout the year. During the summer months, the UV index can reach moderate levels (3-5), requiring sun protection. It is important to wear sunscreen, a hat, and sunglasses to protect your skin and eyes from the sun's rays.
Reykjavik experiences four distinct seasons. Winter (December to February) is cold with temperatures averaging around -1 °C (30 °F), and occasional snowfall. Spring (March to May) sees a gradual increase in temperatures, ranging from 2-8 °C (36-46 °F), and longer daylight hours. Summer (June to August) is mild, with temperatures ranging from 10-15 °C (50-59 °F) and almost 24 hours of daylight. Autumn (September to November) brings cooler temperatures ranging from 2-9 °C (36-48 °F) and shorter days.
Compared to other regions in Iceland, Reykjavik benefits from a relatively mild climate due to its coastal location. However, it still experiences a notable variation in daylight hours throughout the year. During the summer, Reykjavik enjoys longer daylight hours and continuous twilights, while in the winter, daylight hours are shorter, with only a few hours of sunlight. It is important to adapt to the changing weather conditions and make the most of the sun exposure by getting outdoors during the brighter seasons.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Reykjavik. It's designed to provide you with a better understanding of the yearly weather and sun exposure.