Cool
Average highs are around 13°C, so pack for cooler days.
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.
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
Showers
Rainfall averages 82mm, so some wet days are possible.
Limited sun
Sunshine averages 4.2h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 14°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
October13°C average high
October is close to Barrie's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
October82mm average rain
October sits near Barrie's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to July and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October4.2 hours average sun
October is below Barrie's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October14°C average sea
October is close to Barrie's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
October22 weather score
October scores below Barrie's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
