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Mississauga

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Mississauga Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Mississauga year round climate

  • Spring (March–May): Average 35–58°F, gradually warming climate, moderate rainfall with occasional showers. Common activities: Outdoor walks, cycling, visiting parks. Suggested clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): Average 67–72°F, warm and humid, occasional thunderstorms. August has the most rainfall. Common activities: Swimming, picnics, outdoor BBQs. Suggested clothing: Lightweight and breathable clothing, short sleeves, sandals.
  • Autumn (September–November): Average 53–68°F, gradually decreasing temperatures, comfortable weather, relatively high rainfall. Common activities: Leaf viewing, hiking, fruit picking. Suggested clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Winter (December–February): Average -38–33°F, cold and dry, occasional snowfall. Common activities: Skiing, ice skating, indoor activities. Suggested clothing: Heavy coat, warm clothing, hat, gloves, scarf.

Mississauga climatological average

Annual average temperature: approx. 50.0°F / Annual rainfall: approx. 423 mm / Summer humidity: 65%–75% / Rainiest month: August

Mississauga monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
25.9°F
33.5
February
29.5°F
5.4
March
35.4°F
28.1
April
46°F
55.6
May
58.8°F
39.5
June
67.6°F
20.9
July
72.5°F
27.2
August
70.9°F
60.6
September
68°F
32.8
October
53.4°F
36.5
November
42.6°F
35.9
December
33.3°F
47.1

Mississauga weather for the next seven days

2/27
Friday
Sunny
45.7°F/19.8°F
2/28
Saturday
Overcast
36.8°F/24.1°F
3/1
Sunday
Moderate or heavy snow showers
20.9°F/12.4°F
3/2
Monday
Partly Cloudy
25.9°F/10.8°F
3/3
Tuesday
Moderate or heavy snow showers
31.8°F/22.6°F
3/4
Wednesday
Light freezing rain
38.2°F/27.5°F
3/5
Thursday
Moderate or heavy snow showers
33.7°F/30.2°F

Mississauga Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time to visit is in spring and autumn, when the weather is warm and suitable for outdoor activities.

What attractions are worth seeing?

Celebration Square, ice skating rink and food trucks are must-visit attractions in Mississauga.