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UV Index in Swansea, GB

UV index


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Today's UV index in Swansea, United Kingdom United Kingdom will be up to 0.6, 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's tips

Today, the UV index suggests low sun danger (0-2) in Swansea, 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.

Swansea Weather

Read more here about the climate and sun exposure in and around Swansea.

UV Index in Swansea

The UV index in Swansea can vary throughout the year. During the summer months, from June to August, the UV index can reach levels of 7 or higher (very high), which can cause sunburn in as little as 15 minutes if adequate protection is not taken. In the winter months, from November to February, the UV index is typically lower and ranges from 1 to 2 (low to moderate). It is still important to protect your skin during these months.

Weather Seasons

UV index

Swansea experiences four distinct weather seasons. Spring, from March to May, is mild with average temperatures ranging from 8 °C to 15 °C (46 °F to 59 °F). Summer, from June to August, is generally warm with temperatures averaging between 12 °C and 22 °C (54 °F to 72 °F). Autumn, from September to November, brings cooler temperatures ranging from 8 °C to 16 °C (46 °F to 61 °F). Winter, from December to February, is cool with temperatures typically between 3 °C and 8 °C (37 °F to 46 °F).

Swansea's Climate

Compared to its region, Swansea enjoys a moderate climate with comfortable temperatures year-round. However, due to the location on the coast, it is important to note that Swansea experiences higher levels of annual rainfall compared to inland areas. The region also receives relatively average to above-average sun exposure, offering opportunities for outdoor activities. It is still advisable to wear sunscreen and protective clothing to minimize the risk of sunburn and sun damage.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day 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.