Measurements:
°C
°F
Barrie
74°F
NW 6 mph
Feels like: 74°F
Precip: 15%
World Resorts Canada Barrie Weather August Weather in Barrie

Barrie Weather: August

Average Day Temperature: 77.4°F
Average Night Temperature: 63.0°F
Sea Water Temperature: 74.5°F
Number of Sunny Days: 14 days
Sunshine Hours: 13.3 - 14.6 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 89°F. The lowest night temperature was 53°F. The average values for day and night temperatures during August were 77.9°F и 61.6°F respectivly.

Barrie Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Barrie was 73.6°F. The maximum and minimum values were 71.4°F and 75.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Barrie is 1.4 in. It makes august the most rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 7.0 mph. It makes August the most windless month of the year for Barrie.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Barrie in August is 8.6 hours.

Best Time to Visit Barrie
The most sunny months:
July 14 days
August 14 days
June 12 days
The most warm months:
July 79.4 °F
August 77.4 °F
June 73.4 °F
Warmest sea temperature:
August 74.5 °F
July 72.6 °F
September 69.8 °F
The most cold months:
January 19.7 °F
February 21.0 °F
December 28.7 °F
The most rainy months:
June 3 days
August 3 days
July 2 days
The most windy months:
November 10 mph
December 10 mph
March 10 mph

Barrie on the Weather Map

24 Hours Weather Forecast
Barrie
Local time: 16:52
08 sep, tuesday
1800 74°F
NW
6 mph
2100 68°F
N
6 mph
09 sep, wednesday
0000 66°F
N
7 mph
0300 66°F
N
7 mph
0600 66°F
N
7 mph
0900 66°F
N
7 mph
1200 68°F
NE
11 mph
1500 74°F
NE
11 mph