UV Index
UV Index
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Today's UV index in Rouen, France 
will be up to 4.4, 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 4.4 in Rouen, 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 Rouen, France, ranges from low to moderate, with values typically between 2 and 6. The highest UV levels occur during summer months, especially in June.
Rouen experiences four distinct seasons. Winters are mild and rainy with temperatures rarely dropping below freezing. Spring brings mild temperatures and blooming flowers. Summers are generally warm with occasional heatwaves. Autumns are cool with beautiful foliage.
Compared to its region and neighboring countries, Rouen's weather is relatively mild. While inland, it is influenced by the Atlantic Ocean, resulting in moderate temperatures and regular rainfall. Nearby countries like Germany and Switzerland have more extreme temperature variations due to their continental climate.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Rouen. It's designed to provide you with a better understanding of the yearly weather and sun exposure.