Sammamish Weather in August

What's the weather like in Sammamish (Washington) in August 2024?

The climate in Sammamish during August can be summarized as mild and reasonably dry.

August is in the summer in Sammamish and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 12°C (53°F) is normal.

Sammamish weather averages (imperial / metric)
Daytime temperature 23.4°C 74°F
Nightly temperature 11.9°C 53.3°F
Average temperature 17.6°C 63.7°F
Daily sunshine 9.8 hrs
Avg rainfall 41 mm 1.6 ins
Rainy days 6 days
Sea temperature 13.4°C 56.2°F
Humidity 67%
Windspeed 11.9kph 7 mph

On average August is the 2nd driest month of the year in Sammamish with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.8 hours of sunshine per day.

August temperatures in Sammamish

Sammamish average temperature in August

August rainfall

Sammamish average rain in August

August hourly sunshine

Sammamish average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sammamish in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Sammamish weather stats

Sammamish weather statistics
Hottest month: July 23.1°C 73.6°F
Driest month: July 30mm 1.2ins
Sunniest month: July 10.8hrs
Coldest month: January 6.7°C 44.1°F
Wettest month: December 186mm 7.3ins
Map showing location of Sammamish (47.64177, -122.0804) Sammamish map pin © Google

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