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Saint Helier UV Index Today

Day Summary

The UV index in Saint Helier, Jersey Flag of Jersey will reach a high of 6.5 today. This means a high level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-01

Hourly Forecast Chart

Today's Safety Tips

Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.

Saint Helier's UV Index

The UV index in Saint Helier, Jersey, varies throughout the year, reaching its peak around 6 to 7 in summer months and dropping to low levels around 1 to 2 in winter.

Weather Seasons

UV index

Seasonally, Saint Helier experiences mild winters with temperatures often above freezing and cool summers with average highs around 20°C (68°F). Rainfall is fairly evenly spread, but autumn can be wetter.

Saint Helier's Climate

Compared to the wider region, Jersey is milder and sunnier than much of the UK, benefiting from its island location. It tends to be warmer and less rainy than mainland northern France but cooler than southern France.

Hourly UV Index Trend

See the UV index hour by hour for Saint Helier. When the level is high, it's smart to find some shade.

Disclaimer

* The information on this page about the UV index in Saint Helier is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.