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UV Index in Toronto

Day Summary

Today's UV index in Toronto, Canada Canada will be up to 8.2, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.

Last checked: 2025-05-13

Forecast

Today's tips

With a UV index of 8.2 in Toronto, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.

Toronto's UV Index

Toronto's UV index varies seasonally, reaching its highest levels in late spring and summer, typically between 6 and 8, indicating moderate to high ultraviolet radiation. Winter months have low UV levels around 1 or 2. Toronto experiences four distinct seasons: cold, snowy winters; warm, humid summers; mild springs with increasing sunshine; and cool, crisp autumns with colorful foliage. Snow is common from December to March, while summer temperatures often reach the mid-20s Celsius (70s Fahrenheit). Compared to other Canadian cities, Toronto has milder winters than cities further north like Ottawa but colder winters than some coastal areas. Its summers are warmer and more humid than Vancouver's, and it generally experiences less extreme weather than central US cities at similar latitudes.

Hourly Trend

See the UV index hour by hour for Toronto, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.

Disclaimer

* This page's content about the UV index in Toronto (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.