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UV Index in Swansea

UV index


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Today's UV index in Swansea, United Kingdom United Kingdom will be up to 7.2, 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 Swansea's UV index reaching 7.2, 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.

Swansea's UV Index

The UV index in Swansea, UK, typically ranges from low to moderate, with values rarely exceeding 6. This is due to the city's northern latitude and maritime climate.

Weather Seasons

UV index

Swansea experiences four distinct seasons. Summer days are mild and often rainy, with temperatures averaging around 19°C (66°F). Autumn sees temperatures dropping, along with increasing rain and strong winds. Winter is cold and wet, with temperatures rarely falling below freezing. Spring brings milder temperatures and blossoms, signaling the beginning of warmer days.

Swansea's Climate

Comparatively, Swansea is warmer and drier than many other parts of the UK, particularly in the north. However, it tends to be rainier than neighboring countries like France and Ireland, due to its position on the western coast of Britain and the influence of the Atlantic Ocean.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Swansea. 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 Swansea (United Kingdom) 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.