UV Index
UV Index
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Today's UV index in St. Peter Port, Guernsey 
will be up to 0.6, indicating a low 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, the UV index suggests low sun danger (0-2) in St. Peter Port, reaching up to 0.6. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
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.
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.
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.
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.