UV Index
UV Index
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Today's UV index in Barcelona, Spain 
will be up to 4.3, indicating a moderate 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.
With a UV index reaching up to 4.3 in Barcelona, 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 Barcelona is high, especially in the summer months. It can reach extreme levels, so it's important to be aware of this if you're planning outdoor activities.
Barcelona has a Mediterranean climate, with hot, dry summers and mild, wet winters. Spring and autumn are typically warm and sunny. The city experiences a lot of sunshine throughout the year.
Compared to its region, Barcelona is relatively mild in the winter and hot in the summer. Nearby countries like France and Switzerland have more extreme temperature ranges, both in the summer and winter. Barcelona's weather is generally more stable and predictable.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Barcelona. It's designed to provide you with a better understanding of the yearly weather and sun exposure.