Measurements:
°C
°F
Barrie
18°F
N 6 mph
Feels like: 8°F
Precip: 0%
World Resorts Canada Barrie Weather

Barrie Sea Water Temperature

Current Sea Water Temperature:
+30.0°F
Maximum Sea Water Temperature in February: 30.8°F
Minimum Sea Water Temperature in February: 30.0°F
Average water temperature in February: 30.1°F

Sea Water Temperature for the Last 10 Days:

February 05 30.0°F January 31 30.2°F
February 04 30.0°F January 30 30.2°F
February 03 30.2°F January 29 30.2°F
February 02 30.2°F January 28 30.2°F
February 01 30.2°F January 27 30.2°F

When is the Warmest Sea for Barrie?

According to our data for the last three years for Barrie the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Barrie was 75.1°F. The maximum and minimum values were 70.4°F and 77.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Barrie was 73.0°F. The maximum and minimum values were 65.4°F and 76.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Barrie was 68.3°F. The maximum and minimum values were 65.4°F and 70.2°F respectively.

Best Time to Visit Barrie
The most sunny months:
August 13 days
September 12 days
July 12 days
The most warm months:
July 78.4 °F
August 77.3 °F
June 72.6 °F
Warmest sea temperature:
August 74.6 °F
July 72.3 °F
September 69.8 °F
The most cold months:
January 19.7 °F
February 21.1 °F
December 28.7 °F
The most rainy months:
June 3 days
July 3 days
August 3 days
The most windy months:
November 10 mph
December 10 mph
March 10 mph

Barrie on the Weather Map

Canada Resorts:
NAME
Halifax +24
Moncton +18
Montreal +14
Niagara Falls +14
Ottawa +14
Prince Edward Island +20
Quebec +8
Saint John +20
St. John's +16
Sydney +28
Toronto +18
Vancouver +52
Victoria +54
Winnipeg +40
Yellowknife -10
24 Hours Weather Forecast
Barrie
Local time: 16:50
05 feb, thursday
1800 18°F
N
6 mph
2100 16°F
N
6 mph
06 feb, friday
0000 12°F
N
8 mph
0300 10°F
N
9 mph
0600 10°F
N
10 mph
0900 12°F
N
9 mph
1200 16°F
N
7 mph
1500 20°F
NE
4 mph