World Resorts Canada Barrie Weather

Barrie sea water temperature

Current sea water temperature:
+32.9°F
Minimum sea water temperature in March: 34.3°F
Maximum sea water temperature in March: 32.0°F
Average sea water temperature in March: 32.4°F

Sea water temperature for the last 10 days:

March 17 32.9°F March 12 33.3°F
March 16 32.9°F March 11 33.3°F
March 15 33.1°F March 10 33.4°F
March 14 33.1°F March 9 33.6°F
March 13 33.1°F March 8 32.0°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 22.7 °F
February 23.9 °F
December 30.8 °F
Rainiest months:
July 3 days
June 3 days
August 3 days
Windiest months:
November 10.5 mph
December 10.1 mph
March 10.0 mph

Barrie on a weather map

Barrie
+10°F
E 22 mph
Feels like: -9°F
Precip.: 55%
Places in Canada:
Name
°F
+48°F
+46°F
-11°F
+55°F
+34°F
+19°F
+57°F
+30°F
+10°F
+23°F
+50°F
+34°F
+46°F
+12°F
24 Hours Forecast
Barrie
Local time: 04:39
March 17, tuesday
0600
10°F
E
22 mph
0900
10°F
SE
21 mph
1200
14°F
SE
21 mph
1500
16°F
SE
18 mph
1800
18°F
SE
17 mph
2100
16°F
SE
12 mph
March 18, wednesday
0000
16°F
SE
11 mph
0300
16°F
SE
8 mph
Units of measurement: °C / °F