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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
1/9
Friday
Patchy rain nearby
58.1°F/34.4°F
1/10
Saturday
Freezing fog
32.5°F/28.6°F
1/11
Sunday
Overcast
31.8°F/23.5°F
1/12
Monday
Overcast
32°F/21.6°F
1/13
Tuesday
Moderate snow
33.3°F/27.3°F
1/14
Wednesday
Light snow showers
34.3°F/15.5°F
1/15
Thursday
Partly Cloudy
9.6°F/5°F
