Current sea water temperature:
+43.7°F
| Minimum sea water temperature in May: | 58.5°F |
| Maximum sea water temperature in May: | 39.2°F |
| Average sea water temperature in May: | 46.3°F |
| more information | |
14 days
forecast
forecast
| Mississauga |
monthly
weather
weather
| Mississauga |
Sea water temperature for the last 10 days:
| May 17 | 43.7°F | May 12 | 41.9°F |
| May 16 | 41.7°F | May 11 | 42.4°F |
| May 15 | 42.4°F | May 10 | 40.8°F |
| May 14 | 42.3°F | May 9 | 40.5°F |
| May 13 | 43.0°F | May 8 | 43.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Mississauga?
Based on the data about daily sea water temperature for the last three years the warmest sea in Mississauga was noticed in August, July and September.
Monthly Sea Temperatures in Mississauga, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.4°F. The highest and lowest sea temperatures during the month were 77.0°F and 69.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 75.0°F and 62.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 69.8°F and 59.4°F.
current
weather
weather
| Mississauga |
weather in
May
May
| Mississauga |
Best time for vacation in Mississauga
Mississauga on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Mississauga
Local time: 15:27
May 17, sunday
1800
81°F
NW
5 mph
5 mph
2100
70°F
NW
6 mph
6 mph
May 18, monday
0000
61°F
NW
1 mph
1 mph
0300
57°F
W
5 mph
5 mph
0600
55°F
W
4 mph
4 mph
0900
63°F
N
6 mph
6 mph
1200
73°F
NE
12 mph
12 mph
1500
79°F
NE
17 mph
17 mph
