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UV Index in St. Peter Port

UV index


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Today's UV index in St. Peter Port, Guernsey Guernsey will be up to 6.3, 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 St. Peter Port's UV index reaching 6.3, 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.

St. Peter Port's UV Index

The UV index in St. Peter Port, Guernsey, can reach high levels during summer months, with values often exceeding 7 on a scale up to 11. This is due to its northern latitude and maritime climate, which allows for strong sunlight at times.

Weather Seasons

UV index

St. Peter Port experiences a temperate maritime climate, with mild winters and cool summers. The city has four discernible seasons, but temperature fluctuations are generally modest. Rainfall is relatively evenly distributed throughout the year, and the city is not usually susceptible to extreme weather events.

St. Peter Port's Climate

Compared to its region and neighboring countries, St. Peter Port is slightly milder in winter and cooler in summer than regions in continental Europe at similar latitudes. However, its northern location means that daylight hours vary significantly throughout the year, with long daylight hours in summer and short daylight hours in winter. The city's weather patterns are also influenced by the North Atlantic Current, which moderates its temperature and precipitation.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month 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.


* This page's content about the UV index in St. Peter Port (Guernsey) 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.