Cool
Average highs are around 15°C, so pack for cooler days.
Weather Guide
Prince of Wales Island, United States Average Monthly Weather
Weather score10Poor annual avg
Best months: July, June, May
Across the year, average daytime temperatures are around 9°C, sunshine averages 3.7h per day, and rainfall totals about 2976mm. Sea temperatures average 9°C across the year.
Annual weather
Annual averages
Temp
9°C
Rain
2976mm
Annual total
Sun
3.7h
Sea
9°C
Weather score
10
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 201mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.9h 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 of Wales Island, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August15°C average high
August is one of Prince of Wales Island's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August201mm average rain
August sits on the drier side of Prince of Wales Island's year, which helps with sightseeing and transfers.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August4.9 hours average sun
August is brighter than Prince of Wales Island's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August13°C average sea
August is one of Prince of Wales Island's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
Weather score
August19 weather score
August scores above Prince of Wales Island'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.