Mild
Average highs are around 24°C, so days are mild rather than hot.
Weather Guide
Sable Island, Canada Average Monthly Weather
Weather score30Poor annual avg
Best months: August, July, September
Across the year, average daytime temperatures are around 17°C, sunshine averages 0h per day, and rainfall totals about 1366mm. Sea temperatures average 9°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
1366mm
Annual total
Sun
0h
Sea
9°C
Weather score
30
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 105mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Sable Island, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August24°C average high
August is one of Sable Island's warmest months, with daytime heat above the yearly average.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
August105mm average rain
August sits on the drier side of Sable Island's year, which helps with sightseeing and transfers.
Driest monthsJanuary and April to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August0 hours average sun
August is close to Sable Island's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
August18°C average sea
August is one of Sable Island's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
August56 weather score
August is one of Sable Island's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.