Mississauga UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.6
- Avg Clouds19%
- Max Temp27.5 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Mississauga, Canada 
will reach a high of 5.6 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-18
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.
Mississauga's UV Index
The UV index in Mississauga varies throughout the year, reaching higher levels around 6 to 7 during summer months and dropping to low levels of 0 to 1 in winter. This means the sun's rays are strongest in summer and weakest in winter.
Weather Seasons
Mississauga experiences four clear seasons: cold winters with snow, mild springs, warm and sometimes humid summers, and cool, colorful autumns. The weather changes gradually with temperature swings and rainfall distributed mostly in spring and summer.
Mississauga's Climate
Compared to other parts of Canada, Mississauga has milder winters than cities further north. Its climate is similar to nearby Toronto, with somewhat warmer winters than cities like Ottawa or Montreal. Compared to the U.S. northeast, Mississauga has colder winters but similar summer warmth.
Hourly UV Index Trend
See the UV index hour by hour for Mississauga. When the level is high, it's smart to find some shade.
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