Monthly weather forecast and climate
Sammamish, WA

How much does it rain in Sammamish?

During the entire year, Sammamish aggregates up to 62.3" (1581.2mm) of precipitation.

What is the warmest month in Sammamish?

The warmest month in Sammamish is August, with an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 53.1°F (11.7°C).

What is the driest month in Sammamish?

The month with the least rainfall in Sammamish is August when 1.3" (32.8mm) of precipitation is typically aggregated.

What is the wettest month in Sammamish?

The month with the most rainfall is November when 10.1" (257mm) of precipitation is typically aggregated.

What is the coldest month in Sammamish?

December is the coldest month, with an average high-temperature of 45°F (7.2°C) and an average low-temperature of 34°F (1.1°C).
Average rainfall - Sammamish, WA
Average daylight - Sammamish, WA

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.5h).

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