Sammamish Weather in October

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

The climate in Sammamish during October can be summarized as mild and damp.

October is in the fall / autumn in Sammamish and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 7°C (44°F) is normal.

Sammamish weather averages (imperial / metric)
Daytime temperature 15.4°C 59.6°F
Nightly temperature 6.5°C 43.6°F
Average temperature 10.9°C 51.6°F
Daily sunshine 5.1 hrs
Avg rainfall 108 mm 4.3 ins
Rainy days 12 days
Sea temperature 11.2°C 52.1°F
Humidity 78%
Windspeed 11.9kph 7 mph

On average October is the 6th wettest month of the year in Sammamish with around 108mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.1 hours of sunshine per day.

October temperatures in Sammamish

Sammamish average temperature in October

October rainfall

Sammamish average rain in October

October hourly sunshine

Sammamish average rain in October

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 October 2024.