West Lake Sammamish Weather in January

What's the weather like in West Lake Sammamish (Washington) in January 2024?

The climate in West Lake Sammamish during January can be summarized as cool and wet.

January is in the winter in West Lake Sammamish and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 1°C (34°F) is normal.

West Lake Sammamish weather averages (imperial / metric)
Daytime temperature 6.9°C 44.3°F
Nightly temperature 1°C 33.7°F
Average temperature 3.9°C 39°F
Daily sunshine 2.5 hrs
Avg rainfall 180 mm 7.1 ins
Rainy days 17 days
Sea temperature 8.1°C 46.5°F
Humidity 79%
Windspeed 14.4kph 9 mph

On average January is the 2nd wettest month of the year in West Lake Sammamish with around 180mm 7.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.5 hours of sunshine per day.

January temperatures in West Lake Sammamish

West Lake Sammamish average temperature in January

January rainfall

West Lake Sammamish average rain in January

January hourly sunshine

West Lake Sammamish average rain in January

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 West Lake Sammamish in January 2024.

Other monthly averages

Best places to visit in January

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

West Lake Sammamish weather stats

West Lake 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 West Lake Sammamish (47.5776, -122.10123) West Lake Sammamish map pin © Google

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