Current sea water temperature:
+34.0°F
| Minimum sea water temperature in December: | 46.8°F |
| Maximum sea water temperature in December: | 34.0°F |
| Average sea water temperature in December: | 40.3°F |
| more information | |
14 days
forecast
forecast
| Barrie |
monthly
weather
weather
| Barrie |
Sea water temperature for the last 10 days:
| December 28 | 34.0°F | December 23 | 37.0°F |
| December 27 | 34.7°F | December 22 | 37.8°F |
| December 26 | 35.2°F | December 21 | 38.3°F |
| December 25 | 36.0°F | December 20 | 38.3°F |
| December 24 | 36.5°F | December 19 | 38.5°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
January
January
| Barrie |
Best time for vacation in Barrie
Barrie on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Barrie
Local time: 16:13
December 28, sunday
1800

32°F
NW
11 mph
11 mph
2100

34°F
W
11 mph
11 mph
December 29, monday
0000

34°F
W
12 mph
12 mph
0300

34°F
W
12 mph
12 mph
0600

36°F
NW
9 mph
9 mph
0900

32°F
NE
21 mph
21 mph
1200

27°F
NE
22 mph
22 mph
1500

25°F
NE
25 mph
25 mph





























