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Mississauga UV Index Today

Day Summary

The UV index in Mississauga, Canada Flag of Canada will reach a high of 7.1 today. This means a high level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-15

Hourly Forecast Chart

Today's Safety Tips

Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.

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

UV index

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.

Disclaimer

* The information on this page about the UV index in Mississauga is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.