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UV Index in London

UV index


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Today's UV index in London, Canada Canada will be up to 6.8, 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 London's UV index reaching 6.8, 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.

London's UV Index

The UV index in London, Canada can reach high levels during the summer months, with a maximum index of 9. In the winter, the UV index is much lower, usually staying below 2.

Weather Seasons

UV index

London, Canada experiences four distinct seasons: spring, summer, autumn, and winter. Summer temperatures can reach up to 30°C, while winter temperatures can drop below -10°C. Spring and autumn are transitional seasons with mild temperatures and changing foliage.

London's Climate

Compared to its region and neighboring countries, London's weather is relatively mild. It is warmer than many parts of Canada during the winter, but cooler than neighboring United States during the summer. The area receives a moderate amount of precipitation throughout the year, with spring and winter being the wettest seasons.

Annual Sun Radiation

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