Average weather in August in Seattle (Washington State), United States of America

The average minimum temperature (usually the minimum temperature is noted during the night) in Seattle in August is 14.0°C (57.2°F). August is a dry month with an average of 27mm (1.1in) rain. It rains on average a total of 5 days. The average maximum daytime temperature lies around 25.4°C (77.72°F). This makes August the hottest month of the year. If you enjoy looking at a blue sky and love the sun than this is a great time to go to Seattle with 280 hours of sun.


So what to wear in August? Visitors traveling to Seattle might want to wear dresses, tops, T-shirts and skirts made of cotton or linen. Shorts for men made of cotton or linen are good options for staying cool on a hot day.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in August look at the numbers below.

Monthly Averages in August

Show in Fahrenheit

Min Temperature 14 °C
Max Temperature 25 °C
Chance of Rain 17%
Precipitation 27mm
Rainy Days 5
Sunshine Hours 280

 

Where to stay in Seattle

Where to go in United States of America in August

Find out more about the weather in United States of America in August and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Weather Forecasts for Seattle (Washington State)

MON   Sep 26
31°C | 12°C
S 9 kmph
TUE   Sep 27
31°C | 15°C
SSE 11 kmph
WED   Sep 28
24°C | 14°C
SSW 19 kmph
7.2 mm
Moderate rain

Moderate rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Seattle.

Our site offers climate and forecast data for almost all countries in the world. Are you going to United States of America? On this website you can find historical weather averages for many cities in United States of America. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.