Cool
Average highs are around 16°C, so pack for cooler days.
Weather Guide
Prince Rupert, Canada Average Monthly Weather
Weather score9Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 10°C, sunshine averages 3.3h per day, and rainfall totals about 3018mm. Sea temperatures average 10°C across the year.
Annual weather
Annual averages
Temp
10°C
Rain
3018mm
Annual total
Sun
3.3h
Sea
10°C
Weather score
9
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 167mm, so some wet days are possible.
Limited sun
Sunshine averages 4.6h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Prince Rupert, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August16°C average high
August is one of Prince Rupert's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August167mm average rain
August sits on the drier side of Prince Rupert's year, which helps with sightseeing and transfers.
Driest monthsMay to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August4.6 hours average sun
August is brighter than Prince Rupert's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August13°C average sea
August is one of Prince Rupert's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
August22 weather score
August scores above Prince Rupert's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to August
These months have the strongest weather score in the monthly averages.