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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 1.9–14.9°C, 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 19.8–22.5°C, 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 11.9–20°C, 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 -3.4–0.7°C, 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. 10°C / Annual rainfall: approx. 423 mm / Summer humidity: 65%–75% / Rainiest month: August
Mississauga monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-3.4°C
33.5
February
-1.4°C
5.4
March
1.9°C
28.1
April
7.8°C
55.6
May
14.9°C
39.5
June
19.8°C
20.9
July
22.5°C
27.2
August
21.6°C
60.6
September
20°C
32.8
October
11.9°C
36.5
November
5.9°C
35.9
December
0.7°C
47.1
Mississauga weather for the next seven days
1/11
Sunday
Overcast
-0.5°C/-4.8°C
1/12
Monday
Overcast
1.2°C/-4.7°C
1/13
Tuesday
Moderate or heavy snow showers
2.2°C/-1°C
1/14
Wednesday
Moderate or heavy snow showers
2.9°C/-8.3°C
1/15
Thursday
Partly Cloudy
-8.3°C/-12.6°C
1/16
Friday
Sunny
-2.8°C/-10.1°C
1/17
Saturday
Light freezing rain
0.2°C/-2.1°C
