World Resorts Canada Barrie Weather

Barrie sea water temperature

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

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

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.

Best time for vacation in Barrie

Sunniest months:
August 13 days
September 12 days
July 12 days
Warmest months:
July 75.6 °F
August 74.6 °F
June 70.3 °F
Warmest sea temp:
August 72.2 °F
July 70.1 °F
September 67.9 °F
Coldest months:
January 23.2 °F
February 23.9 °F
December 30.8 °F
Rainiest months:
June 3 days
July 3 days
August 3 days
Windiest months:
November 10.5 mph
March 10.0 mph
December 9.9 mph

Barrie on a weather map

Barrie
+28°F
NW 10 mph
Feels like: +19°F
Precip.: 100%
Places in Canada:
Name
°F
+36°F
+43°F
+7°F
+27°F
-8°F
+18°F
+28°F
+14°F
+34°F
+16°F
+28°F
+30°F
+30°F
+34°F
24 Hours Forecast
Barrie
Local time: 16:13
December 28, sunday
1800
32°F
NW
11 mph
2100
34°F
W
11 mph
December 29, monday
0000
34°F
W
12 mph
0300
34°F
W
12 mph
0600
36°F
NW
9 mph
0900
32°F
NE
21 mph
1200
27°F
NE
22 mph
1500
25°F
NE
25 mph
Units of measurement: °C / °F