Sammamish
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Sammamish, WA

Dense pine tree cover and houses in the town of Sammamish, Washington, in the Pine Lake area, a view of the lake and a far view of hills, clear sky
Dense pine tree cover and houses in the town of Sammamish, Washington, in the Pine Lake area, a view of the lake and a far view of hills, clear sky
January, like December, is a frosty winter month in Sammamish, Washington, with average temperature ranging between min 36°F (2.2°C) and max 46.9°F (8.3°C). In Sammamish, the average high-temperature is essentially the same as in December - a still frosty 46.9°F (8.3°C). Weather in January »
February, the last month of the winter, in Sammamish, is a fresh month, with average temperature varying between 50°F (10°C) and 35.1°F (1.7°C). In Sammamish, the average high-temperature is relatively the same as in January - a fresh 50°F (10°C). Weather in February »

March, the first month of the spring, in Sammamish, is also a fresh month, with average temperature ranging between max 54°F (12.2°C) and min 37°F (2.8°C). In March, the average high-temperature is relatively the same as in February - a still fresh 54°F (12.2°C). Weather in March »

April in Sammamish, Washington, is a moderate spring month, with average temperature varying between 57.9°F (14.4°C) and 39.9°F (4.4°C). In April, the average high-temperature is practically the same as in March - a mild 57.9°F (14.4°C). Weather in April »

May, the last month of the spring, in Sammamish, is a comfortable month, with average temperature fluctuating between 46°F (7.8°C) and 64°F (17.8°C). In May, the average high-temperature marginally rises, from a mild 57.9°F (14.4°C) in April, to an enjoyable 64°F (17.8°C). Weather in May »

June, the first month of the summer, in Sammamish, is an agreeable month, with average temperature ranging between max 69.1°F (20.6°C) and min 51.1°F (10.6°C). In June, the average high-temperature is relatively the same as in May - a pleasant 69.1°F (20.6°C). Weather in June »

July in Sammamish, Washington, is a warm summer month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 54°F (12.2°C). In July, the average high-temperature slightly increases, from a pleasant 69.1°F (20.6°C) in June, to a warm 75°F (23.9°C). Weather in July »

August, the last month of the summer, in Sammamish, is also a moderately hot month, with average temperature ranging between max 75.9°F (24.4°C) and min 53.1°F (11.7°C). August is the warmest month, with an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 53.1°F (11.7°C). Weather in August »

September, the first month of the autumn, in Sammamish, is also an agreeable month, with average temperature varying between 48°F (8.9°C) and 70°F (21.1°C). In Sammamish, the average high-temperature marginally drops, from a warm 75.9°F (24.4°C) in August, to a pleasant 70°F (21.1°C). Weather in September »

October, like September, is a moderate autumn month in Sammamish, Washington, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 43°F (6.1°C). In Sammamish, the average high-temperature decreases, from a pleasant 70°F (21.1°C) in September, to a mild 60.1°F (15.6°C). Weather in October »

November, the last month of the autumn, in Sammamish, is also a fresh month, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 37.9°F (3.3°C). In November, the average high-temperature decreases, from a moderate 60.1°F (15.6°C) in October, to a cool 51.1°F (10.6°C). Weather in November »

December, the first month of the winter, in Sammamish, is still a chilly month, with average temperature ranging between min 34°F (1.1°C) and max 45°F (7.2°C). With an average high-temperature of 45°F (7.2°C) and an average low-temperature of 34°F (1.1°C), December is the coldest month. Weather in December »

How much does it rain in Sammamish?

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

When are the longest days in Sammamish?

The month with the longest days in Sammamish, Washington, is June, with an average of 15.9h of daylight.

What is the warmest month in Sammamish?

The warmest month 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?

August is the month with the least rainfall in Sammamish, with 1.3" (32.8mm) of accumulated precipitation.

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?

With an average high-temperature of 45°F (7.2°C) and an average low-temperature of 34°F (1.1°C), December is the coldest month in Sammamish, Washington.

What is the month with the shortest days in Sammamish?

December has the shortest days of the year in Sammamish, Washington, with an average of 8.5h of daylight.
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).