World Resorts Canada Barrie Weather

Barrie sea water temperature

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

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

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 32.1 °F
Rainiest months:
June 3 days
July 3 days
August 3 days
Windiest months:
November 10.5 mph
March 10.0 mph
April 9.9 mph

Barrie on a weather map

Barrie
+5°F
N 8 mph
Feels like: -6°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+10°F
-8°F
+12°F
-4°F
+3°F
+16°F
-6°F
+25°F
+37°F
+19°F
+16°F
24 Hours Forecast
Barrie
Local time: 05:02
December 05, friday
0600
5°F
N
8 mph
0900
16°F
N
7 mph
1200
25°F
NE
11 mph
1500
28°F
NE
11 mph
1800
28°F
N
7 mph
2100
27°F
N
7 mph
December 06, saturday
0000
27°F
N
9 mph
0300
28°F
NE
12 mph
Units of measurement: °C / °F