UV Index
Toronto UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.5
- Avg Clouds3%
- Max Temp29.5 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Toronto, Canada 
will reach a high of 5.5 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-04
Hourly Forecast Chart
Today's Safety Tips
The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.
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 UV Index Trend
See the UV index hour by hour for Toronto. When the level is high, it's smart to find some shade.
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