Barrie (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Barrie.
Climate overview of Barrie
Barrie, Ontario, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to -2°C (28°F) in January.
With around 932 mm (37 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and February the driest.
Barrie Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barrie — and find the best time to visit.
Monthly Temperature in Barrie
Depending on the time of the year, temperatures range from comfortable to very cold in Barrie. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -2°C (28°F) in the coolest month, January.
Nights vary from 15°C (59°F) in July to around -11°C (12°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Barrie
Generally, Barrie has a moderate amount of precipitation, averaging 932 mm (37 in) of rain/snowfall annually. Precipitation levels in Barrie remain relatively steady throughout the year. June has the most rain, with 93 mm (3.7 in) over 12 days. In the driest month February, this drops slightly to 60 mm (2.4 in), making the city's climate fairly predictable. For more details, please visit our Barrie Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Barrie
Rainfall during this time ranges from 82 mm (3.2 in) in September to 93 mm (3.7 in) in June. This means you can expect a mix of sunny days and occasional showers. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Barrie
What is the best time to visit Barrie?
May, June, July, August and September typically offer the most optimal weather in Barrie. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Barrie?
Daytime highs range from -2°C (28°F) in January to 27°C (81°F) in July. Nighttime lows range from -11°C (12°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Barrie get?
Annual rainfall is around 932 mm (37 in). June is the wettest month with 93 mm (3.7 in), while February is the driest with 60 mm (2.4 in).
Barrie 3-Day Forecast
Barrie (ON) 3-Day Forecast
Barrie on the map
Barrie is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Niagara Falls
27°C (81°F) Montréal28°C (82°F) Ottawa27°C (81°F) Quebec City
26°C (79°F) Toronto26°C (79°F) Calgary24°C (75°F) Vancouver22°C (72°F) Whistler
19°C (66°F) 
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