UV Index
UV Index
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Today's UV index in Uppsala, Sweden 
will be up to 0.2, 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 Uppsala, reaching up to 0.2. 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 Uppsala.
The UV index in Uppsala ranges from low to very high throughout the year. In the winter months, from December to February, the UV index stays low, ranging from 0 to 2. As spring arrives in March, the index starts to rise, reaching moderate levels of around 4 in May and June. During the summer months of July and August, the UV index peaks, often reaching very high levels of 7 or above. It gradually decreases in September and October, returning to low levels by November.
Uppsala experiences four distinct seasons. Winter, from December to February, is very cold with temperatures averaging around -4 °C (25 °F). Spring, starting in March, brings milder weather with temperatures ranging between 3 °C and 12 °C (37 °F to 54 °F). Summer, from June to August, is relatively warm, with average temperatures reaching 20 °C (68 °F) and often reaching highs of 25 °C (77 °F). Autumn arrives in September, bringing cooler temperatures ranging from 7 °C to 15 °C (45 °F to 59 °F).
Compared to its region, Uppsala receives a similar amount of sunlight. However, due to its higher latitude, the duration of daylight varies greatly throughout the year. Summers have long days with up to 18 hours of daylight, while winters see very short days with only around 6 hours of daylight. It is important to protect oneself from the sun's harmful rays, particularly during the summer months when the UV index is high.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Uppsala. It's designed to provide you with a better understanding of the yearly weather and sun exposure.