Cool
Average highs are around 12°C, so pack for cooler days.
August verdict
Unalaska, United States in August
Weather score25Poor
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 6.7h per day, enough for a balanced month. Rainfall averages 84mm, so some wet days are possible.
August weather
Monthly averages
Temp
12°C
Rain
84mm
Sun
6.7h
Sea
10°C
Weather score
25
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 84mm, so some wet days are possible.
Some sun
Sunshine averages 6.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Weather map
Compare Unalaska, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August12°C average high
August is one of Unalaska's hottest months, so shade and slower afternoons matter.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
August84mm average rain
August sits near Unalaska's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.7 hours average sun
August sits close to Unalaska's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMarch to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August10°C average sea
August is one of Unalaska's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 9°C in this stretch, so swimming comfort is at its strongest.
Weather score
August25 weather score
August sits close to Unalaska's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsFebruary to September
These months have the strongest weather score in the monthly averages.