Current sea water temperature:
+43.2°F
| Minimum sea water temperature in December: | 46.8°F |
| Maximum sea water temperature in December: | 34.7°F |
| Average sea water temperature in December: | 40.5°F |
| more information | |
14 days
forecast
forecast
| Barrie |
monthly
weather
weather
| Barrie |
Sea water temperature for the last 10 days:
| December 5 | 43.2°F | November 30 | 44.1°F |
| December 4 | 43.2°F | November 29 | 44.6°F |
| December 3 | 43.7°F | November 28 | 45.3°F |
| December 2 | 43.7°F | November 27 | 45.9°F |
| December 1 | 43.9°F | November 26 | 46.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Barrie?
Based on the data about daily sea water temperature for the last three years the warmest sea in Barrie was noticed in August, July and September.
Monthly Sea Temperatures in Barrie, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 72.6°F. The highest and lowest sea temperatures during the month were 74.7°F and 68.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.7°F. The highest and lowest sea temperatures during the month were 74.1°F and 63.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 68.2°F and 63.9°F.
current
weather
weather
| Barrie |
weather in
December
December
| Barrie |
Best time for vacation in Barrie
Barrie on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Barrie
Local time: 05:02
December 05, friday
0600

5°F
N
8 mph
8 mph
0900

16°F
N
7 mph
7 mph
1200

25°F
NE
11 mph
11 mph
1500

28°F
NE
11 mph
11 mph
1800

28°F
N
7 mph
7 mph
2100

27°F
N
7 mph
7 mph
December 06, saturday
0000

27°F
N
9 mph
9 mph
0300

28°F
NE
12 mph
12 mph



























