Mild
Average highs are around 24°C, so days are mild rather than hot.
August verdict
Seattle, Washington, United States in August
Weather score61Good
Good for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 9h per day, so bright days are a strong part of the month. Rainfall averages 31mm, which is relatively low for holiday planning.
August weather
Monthly averages
Temp
24°C
Rain
31mm
Sun
9h
Sea
12°C
Weather score
61
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 31mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Seattle, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August24°C average high
August is one of Seattle's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August31mm average rain
August is one of Seattle's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August9 hours average sun
August is brighter than Seattle'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
August12°C average sea
August is one of Seattle's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 11°C in this stretch, so swimming comfort is at its strongest.
Weather score
August61 weather score
August is one of Seattle's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
