Current sea water temperature:
+38.8°F
| Minimum sea water temperature in December: | 46.4°F |
| Maximum sea water temperature in December: | 37.6°F |
| Average sea water temperature in December: | 40.8°F |
| more information | |
14 days
forecast
forecast
| Mississauga |
monthly
weather
weather
| Mississauga |
Sea water temperature for the last 10 days:
| December 16 | 38.8°F | December 11 | 38.8°F |
| December 15 | 38.5°F | December 10 | 38.8°F |
| December 14 | 38.8°F | December 9 | 38.8°F |
| December 13 | 38.5°F | December 8 | 39.9°F |
| December 12 | 38.7°F | December 7 | 39.9°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
December
December
| Mississauga |
Best time for vacation in Mississauga
Mississauga on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Mississauga
Local time: 08:54
December 16, tuesday
0900
14°F
NE
6 mph
6 mph
1200
23°F
NE
9 mph
9 mph
1500
25°F
N
11 mph
11 mph
1800
28°F
NE
12 mph
12 mph
2100
30°F
NE
16 mph
16 mph
December 17, wednesday
0000
32°F
NE
19 mph
19 mph
0300
32°F
NE
17 mph
17 mph
0600
34°F
NE
16 mph
16 mph
