Weather Guide

Barrie, Ontario, Canada Average Monthly Weather

Weather score33Poor annual avg

Best months: July, August, June

Across the year, average daytime temperatures are around 11°C, sunshine averages 5.4h per day, and rainfall totals about 956mm. Sea temperatures average 9°C across the year.

Barrie, Ontario, Canada, Canada travel weather guide
Photo by Dinil Fernando on Unsplash

Annual weather

Annual averages

Temp

11°C

Rain

956mm

Annual total

Sun

5.4h

Sea

9°C

Weather score

33

Poor avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Mild

Average highs are around 24°C, so days are mild rather than hot.

Showers

Rainfall averages 94mm, so some wet days are possible.

Some sun

Sunshine averages 7.8h per day, enough for a balanced month.

Cool sea

Sea temperatures average 21°C, so the water can feel cool.

Map

Weather map

Compare Barrie, Ontario, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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August24°C average high

August is one of Barrie's warmest months, with daytime heat above the yearly average.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

August94mm average rain

August is one of Barrie's wettest months, so rain is likely to be a major planning factor.

Driest monthsJanuary to July and October to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

August7.8 hours average sun

August is brighter than Barrie's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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August21°C average sea

August is one of Barrie's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJuly to September

Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.

Weather score

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August58 weather score

August scores above Barrie's yearly average, so the overall weather mix is stronger than most months.

Best weather monthsJuly to August

These months have the strongest weather score in the monthly averages.

Hotels in Barrie, Ontario, Canada