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UV Index in Saint Helier

UV index


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Today's UV index in Saint Helier, Jersey Jersey will be up to 7.2, indicating a high 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 Saint Helier's UV index reaching 7.2, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.

Saint Helier's UV Index

The UV index in Saint Helier, Jersey, can reach high levels during the summer months, with a maximum index of 8. The rest of the year, the UV index is generally low to moderate.

Weather Seasons

UV index

Saint Helier experiences a temperate maritime climate, with mild winters and cool summers. Rainfall is distributed evenly throughout the year, and the city is known for its changeable weather conditions.

Saint Helier's Climate

Compared to its region and neighboring countries, Saint Helier has a milder climate than mainland Britain and France. Its southerly location in the English Channel and proximity to the Atlantic Ocean contribute to its moderate temperatures and high humidity.

Annual Sun Radiation

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


* This page's content about the UV index in Saint Helier (Jersey) 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.