UV Index
UV Index
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Today's UV index in St. Peter Port, Guernsey 
will be up to 0.8, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
Today, the UV index suggests low sun danger (0-2) in St. Peter Port, reaching up to 0.8. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around St. Peter Port.
In St. Peter Port, Guernsey, the UV index varies throughout the year. During the summer months (June to August), it can reach high levels, averaging around 6 to 8 (out of a scale of 11). This means it is important to protect your skin from the sun's harmful rays by using sunscreen, wearing protective clothing, and seeking shade during peak hours.
The weather in St. Peter Port experiences a mild maritime climate, influenced by the Gulf Stream. Summers (June to August) are generally warm, with average temperatures ranging from 17 °C (63 °F) to 20 °C (68 °F). Winters (December to February) are cool, with temperatures averaging around 7 °C (45 °F) to 10 °C (50 °F). Rainfall is evenly spread throughout the year.
Compared to other locations in its region, St. Peter Port enjoys a milder climate and more hours of sunshine. While it may not experience scorching temperatures, the region benefits from its location, which allows for a longer growing season and ample opportunities to enjoy outdoor activities. However, it is still important to be aware of the sun's intensity and take necessary precautions to protect yourself from UV radiation.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in St. Peter Port. It's designed to provide you with a better understanding of the yearly weather and sun exposure.