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UV Index in Köln

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Today's UV index in Köln, Germany Germany will be up to 4.2, 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.

 

Today's tips

With a UV index reaching up to 4.2 in Köln, 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.

Köln's UV Index

The UV index in Köln, Germany, can reach a high of 8 in the summer months. On average, the UV index here is lower than many other European cities, offering some natural protection against the sun’s harmful rays.

Weather Seasons

UV index

Köln experiences four distinct seasons. Winters are mild and often damp, with temperatures rarely dropping below freezing. Spring brings milder weather, leading to warm summers with occasional showers. Autumn is usually crisp and comfortable, with leaves changing colors and falling.

Köln's Climate

Compared to its region and neighboring countries, Köln's weather is relatively temperate. It's warmer than many parts of Northern Europe, but cooler than Southern European cities like Madrid or Rome. Rainfall is more common in Köln than in many other German cities, similar to London or Brussels.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Köln. It's designed to provide you with a better understanding of the yearly weather and sun exposure.

Disclaimer

* This page's content about the UV index in Köln (Germany) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.