Cool
Average highs are around 18°C, so pack for cooler days.
Weather Guide
Rivière-Saint-Jean, Canada Average Monthly Weather
Weather score27Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 6°C, sunshine averages 5h per day, and rainfall totals about 1012mm. Sea temperatures average 5°C across the year.
Annual weather
Annual averages
Temp
6°C
Rain
1012mm
Annual total
Sun
5h
Sea
5°C
Weather score
27
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 103mm, so some wet days are possible.
Some sun
Sunshine averages 6.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Rivière-Saint-Jean, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August18°C average high
August is one of Rivière-Saint-Jean's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August103mm average rain
August is one of Rivière-Saint-Jean's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.7 hours average sun
August is brighter than Rivière-Saint-Jean'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
August14°C average sea
August is one of Rivière-Saint-Jean's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to August
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
August36 weather score
August scores above Rivière-Saint-Jean'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.