UV Index
UV Index
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Today's UV index in Preston, United Kingdom 
will be up to 0.5, 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 Preston, reaching up to 0.5. 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 Preston.
The UV index in Preston, United Kingdom, can vary throughout the year. During summers (June to August), when the sun is strongest, the UV index can reach high levels (6-8), meaning there is a moderate to high risk of sunburn. It is important to protect your skin by using sunscreen, wearing protective clothing, and seeking shade during peak hours, especially between 11 am and 3 pm.
Preston experiences four distinct weather seasons. Spring (March to May) brings mild temperatures, with average highs of 12-15 °C (54-59 °F), and occasional showers. Summers (June to August) are generally warm, with average highs of 19-22 °C (66-72 °F), but rain showers are still frequent. Autumn (September to November) sees temperatures gradually dropping, with average highs of 14-17 °C (57-63 °F), and occasional foggy or misty conditions. Winters (December to February) are mild, with average highs of 6-8 °C (43-46 °F), and occasional snowfall.
Compared to its region, Preston experiences a similar climate with moderate sun exposure. In comparison to other cities within the United Kingdom, Preston receives more sunshine hours per year, averaging around 1,400 hours. However, it still gets more cloudy days compared to some southern regions. It is essential to be mindful of the sun's rays throughout the year and protect yourself accordingly, regardless of the shorter winter days and potential cloud cover.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Preston. It's designed to provide you with a better understanding of the yearly weather and sun exposure.