Climate and monthly weather forecast
Maple Valley, WA

Weather in January

January, like December, in Maple Valley, Washington, is another cold winter month, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 42.4°F (5.8°C). In January, the average high-temperature is practically the same as in December - a still cold 42.4°F (5.8°C). Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Maple Valley, Washington, with an average temperature fluctuating between 31.6°F (-0.2°C) and 43.3°F (6.3°C). In February, the average high-temperature is almost the same as in January - a chilly 43.3°F (6.3°C). Weather in February »

Weather in March

March, the first month of the spring in Maple Valley, is still a chilly month, with an average temperature ranging between min 33.4°F (0.8°C) and max 47.8°F (8.8°C). In Maple Valley, the average high-temperature in March is practically the same as in February - a still chilly 47.8°F (8.8°C). Weather in March »

Weather in April

April in Maple Valley, Washington, is a fresh spring month, with an average temperature ranging between min 36.7°F (2.6°C) and max 53.2°F (11.8°C). In Maple Valley, the average high-temperature in April marginally rises from a frosty 47.8°F (8.8°C) in March to a cool 53.2°F (11.8°C). Weather in April »

Weather in May

May, the last month of the spring in Maple Valley, is a comfortable month, with an average temperature ranging between min 41.4°F (5.2°C) and max 62.2°F (16.8°C). In May, the average high-temperature rises from a cool 53.2°F (11.8°C) in April to an enjoyable 62.2°F (16.8°C). Weather in May »

Weather in June

The first month of the summer, June, is still a comfortable month in Maple Valley, Washington, with an average temperature varying between 67.1°F (19.5°C) and 44.2°F (6.8°C). In Maple Valley, the average high-temperature in June is almost the same as in May - a still enjoyable 67.1°F (19.5°C). Weather in June »

Weather in July

July in Maple Valley, Washington, is a moderately hot summer month, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 74.7°F (23.7°C). In July, the average high-temperature slightly increases from an enjoyable 67.1°F (19.5°C) in June to a warm 74.7°F (23.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Maple Valley, Washington, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 50.2°F (10.1°C). The warmest month is August, with an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 50.2°F (10.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Maple Valley, is also an agreeable month, with an average temperature ranging between min 47.3°F (8.5°C) and max 68.4°F (20.2°C). In September, the average high-temperature slightly decreases from a moderately hot 75.4°F (24.1°C) in August to a pleasant 68.4°F (20.2°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Maple Valley, Washington, with an average temperature varying between 57.2°F (14°C) and 41.9°F (5.5°C). In Maple Valley, the average high-temperature in October decreases from a pleasant 68.4°F (20.2°C) in September to a moderate 57.2°F (14°C). Weather in October »

Weather in November

November, the last month of the autumn in Maple Valley, is also a frosty month, with an average temperature fluctuating between 46.8°F (8.2°C) and 36.3°F (2.4°C). In Maple Valley, Washington, the average high-temperature in November decreases from a moderate 57.2°F (14°C) in October to a frosty 46.8°F (8.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Maple Valley, Washington, with temperature in the range of an average low of 32°F (0°C) and an average high of 40.8°F (4.9°C). With an average high-temperature of 40.8°F (4.9°C) and an average low-temperature of 32°F (0°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Maple Valley?

January and February, with an average relative humidity of 86%, are most humid months in Maple Valley, Washington.

How many days does it rain in Maple Valley?

In Maple Valley, during the entire year, the rain falls for 182.4 days and collects up to 36.77" (934mm) of precipitation.

When does it snow in Maple Valley?

Months with snowfall in Maple Valley are January through April, November and December.

How many days does it snow in Maple Valley?

In Maple Valley, during the entire year, snow falls for 19.7 days and aggregates up to 11.5" (292mm) of snow.

What are the months with the least sunshine in Maple Valley?

The months with the least sunshine in Maple Valley are January and December, with an average of 4.1h of sunshine.

What is the snowiest month in Maple Valley?

February is the month with the most snowfall in Maple Valley. Snow falls for 6 days and accumulates 4.17" (106mm) of snow.

When is Daylight Saving Time (DST) in Maple Valley?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Maple Valley?

May through October are months without snowfall.

When are the longest days in Maple Valley?

With an average of 15h and 53min of daylight, June has the longest days of the year.

What is the least humid month in Maple Valley?

July is the least humid month, with an average relative humidity of 70%.

What is the driest month in Maple Valley?

The month with the least rainfall in Maple Valley, Washington, is July, when the rain falls for 7.9 days and typically collects 0.59" (15mm) of precipitation.

What is the month with the highest UV index in Maple Valley?

The month with the highest UV index is July, with an average maximum UV index of 5.

What is the warmest month in Maple Valley?

August is the warmest month, with an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 50.2°F (10.1°C).

What month has the most sunshine in Maple Valley?

With an average of 10.7h of sunshine, August has the most sunshine of the year.

When is the lowest UV index in Maple Valley?

November is the month with the lowest UV index, with an average maximum UV index of 1.

What is the coldest month in Maple Valley?

The coldest month in Maple Valley is December, with an average high-temperature of 40.8°F (4.9°C) and an average low-temperature of 32°F (0°C).

What is the rainiest month in Maple Valley?

December is the month with the most rainfall. Rain falls for 18.7 days and accumulates 5.43" (138mm) of precipitation.

What is the month with the shortest days in Maple Valley?

December has the shortest days of the year in Maple Valley, with an average of 8h and 32min of daylight.

Average temperature
Maple Valley, WA

Average temperature - Maple Valley, WA

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (40.8°F).

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (31.6°F).

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Average pressure
Maple Valley, WA

Average pressure - Maple Valley, WA

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).

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Average wind speed
Maple Valley, WA

Average wind speed - Maple Valley, WA

The windiest month (with the highest average wind speed) is January (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity
Maple Valley, WA

Average humidity - Maple Valley, WA

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is July (70%).

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Average rainfall
Maple Valley, WA

Average rainfall - Maple Valley, WA

The wettest month (with the highest rainfall) is December (5.43").
The driest month (with the least rainfall) is July (0.59").

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Average rainfall days
Maple Valley, WA

Average rainfall days - Maple Valley, WA

The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.7 days).

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Average snowfall
Maple Valley, WA

Average snowfall - Maple Valley, WA

The month with the highest snowfall is February (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Maple Valley, WA

Average snowfall days - Maple Valley, WA

The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).

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Average daylight / Average sunshine
Maple Valley, WA

Average daylight / Average sunshine - Maple Valley, WA

The month with the longest days is June (Average daylight: 15h and 53min).
The month with the shortest days is December (Average daylight: 8h and 32min).

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

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Average sunshine days
Maple Valley, WA

Average sunshine days - Maple Valley, WA

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.4 days).

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Average cloud cover
Maple Valley, WA

Average cloud cover - Maple Valley, WA

The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility
Maple Valley, WA

Average visibility - Maple Valley, WA

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).

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