Measurements:
°C
°F
Mississauga
68°F
SE 2 mph
Feels like: 68°F
Precip: 13%
World Resorts Canada Mississauga Weather

Mississauga Sea Water Temperature

Current Sea Water Temperature:
+66.4°F
Maximum Sea Water Temperature in September: 77.6°F
Minimum Sea Water Temperature in September: 60.4°F
Average water temperature in September: 68.9°F

Sea Water Temperature for the Last 10 Days:

September 28 66.4°F September 23 66.6°F
September 27 66.8°F September 22 66.6°F
September 26 66.6°F September 21 68.6°F
September 25 66.4°F September 20 69.4°F
September 24 66.0°F September 19 69.2°F

When is the Warmest Sea for Mississauga?

According to our data for the last three years for Mississauga the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Mississauga was 70.5°F. The maximum and minimum values were 62.8°F and 74.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Mississauga was 66.8°F. The maximum and minimum values were 58.2°F and 76.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Mississauga was 68.3°F. The maximum and minimum values were 66.0°F and 71.6°F respectively.

Best Time to Visit Mississauga
The most sunny months:
August 15 days
July 15 days
June 14 days
The most warm months:
July 82.5 °F
August 80.2 °F
June 75.7 °F
Warmest sea temperature:
August 72.6 °F
July 69.3 °F
September 68.9 °F
The most cold months:
January 25.1 °F
February 26.1 °F
December 32.6 °F
The most rainy months:
April 2 days
June 2 days
July 2 days
The most windy months:
November 9 mph
December 9 mph
March 9 mph

Mississauga on the Weather Map

Canada Resorts:
NAME
F°
Halifax +56
Moncton +54
Montreal +52
Nanaimo +58
Niagara Falls +64
Ottawa +54
Prince Edward Island +56
Quebec +50
Saint Andrews +56
St. John's +42
Sydney +54
Toronto +72
Vancouver +58
Victoria +58
Winnipeg +52
24 Hours Weather Forecast
Mississauga
Local time: 17:53
28 sep, monday
1800 68°F
SE
2 mph
2100 66°F
S
4 mph
29 sep, tuesday
0000 64°F
SW
4 mph
0300 62°F
W
4 mph
0600 60°F
NW
2 mph
0900 62°F
NW
2 mph
1200 68°F
NW
5 mph
1500 74°F
NW
6 mph