Climate and monthly weather forecast
Valley, WA

Weather in January

January, like December, is a freezing cold winter month in Valley, Washington, with temperature in the range of an average high of 31.1°F (-0.5°C) and an average low of 19°F (-7.2°C). In Valley, Washington, the average high-temperature in January is almost the same as in December - a still freezing cold 31.1°F (-0.5°C). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in Valley, Washington, with an average temperature ranging between max 33.8°F (1°C) and min 18.9°F (-7.3°C). In February, the average high-temperature is relatively the same as in January - a wintry 33.8°F (1°C). Weather in February »

Weather in March

March, the first month of the spring in Valley, is still a cold month, with temperature in the range of an average low of 26.8°F (-2.9°C) and an average high of 42.6°F (5.9°C). In Valley, the average high-temperature in March marginally rises from 33.8°F (1°C) in February to a still cold 42.6°F (5.9°C). Weather in March »

Weather in April

April is a cool spring month in Valley, Washington, with an average temperature ranging between max 53.4°F (11.9°C) and min 31.8°F (-0.1°C). In Valley, the average high-temperature in April increases from a wintry 42.6°F (5.9°C) in March to a fresh 53.4°F (11.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Valley, Washington, with an average temperature varying between 39.6°F (4.2°C) and 65.1°F (18.4°C). In May, the average high-temperature increases from a cool 53.4°F (11.9°C) in April to a comfortable 65.1°F (18.4°C). Weather in May »

Weather in June

June, the first month of the summer in Valley, is a pleasant month, with an average temperature ranging between max 71.1°F (21.7°C) and min 44.2°F (6.8°C). In June, the average high-temperature slightly increases from an enjoyable 65.1°F (18.4°C) in May to an agreeable 71.1°F (21.7°C). Weather in June »

Weather in July

July is a moderately hot summer month in Valley, Washington, with an average temperature ranging between min 50.5°F (10.3°C) and max 82.6°F (28.1°C). In Valley, the average high-temperature in July increases from a pleasant 71.1°F (21.7°C) in June to a warm 82.6°F (28.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Valley, Washington, with an average temperature ranging between max 83.1°F (28.4°C) and min 51.8°F (11°C). The warmest month is August, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 51.8°F (11°C). In August, the average heat index is calculated to be 84.2°F (29°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Valley, Washington, with an average temperature fluctuating between 71.6°F (22°C) and 44.6°F (7°C). In September, the average high-temperature drops from a warm 83.1°F (28.4°C) in August to an agreeable 71.6°F (22°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Valley, Washington, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 35.2°F (1.8°C). In October, the average high-temperature declines considerably from a pleasant 71.6°F (22°C) in September to a fresh 54.1°F (12.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Valley, Washington, with an average temperature varying between 26.8°F (-2.9°C) and 39.4°F (4.1°C). In Valley, the average high-temperature in November declines considerably from a fresh 54.1°F (12.3°C) in October to a cold 39.4°F (4.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Valley, Washington, with an average temperature varying between 18.7°F (-7.4°C) and 29.8°F (-1.2°C). With an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18.7°F (-7.4°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Valley?

With an average relative humidity of 94%, January is the most humid month in Valley.

What is the rainiest month in Valley?

The month with the most rainfall in Valley is January, when the rain falls for 12 days and typically aggregates up to 2.2" (56mm) of precipitation.

How many days does it rain in Valley?

In Valley, Washington, during the entire year, the rain falls for 141.6 days and collects up to 17.56" (446mm) of precipitation.

When does it snow in Valley?

January through April, September through December are months with snowfall in Valley.

When does it snow the most in Valley?

The month with the most snowfall in Valley, Washington, is January, when snow falls for 13.3 days and typically aggregates up to 10.47" (266mm) of snow.

How much does it snow in Valley?

Throughout the year, there are 57.8 snowfall days, and 34.09" (866mm) of snow is accumulated.

What is the month with the least sunshine in Valley?

January has the least sunshine of the year in Valley, with an average of 3.6h of sunshine.

When is the lowest UV index in Valley?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Valley, Washington.

When is Daylight Saving Time (DST) in Valley?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Valley, Washington, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Valley?

In Valley, Washington, snow does not fall in May through August.

When are the longest days in Valley?

June has the longest days of the year, with an average of 16h and 1min of daylight.

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

With an average maximum UV index of 6, July is the month with the highest UV index.

What is the warmest month in Valley?

August is the warmest month, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 51.8°F (11°C).

What is the least humid month in Valley?

August is the least humid month, with an average relative humidity of 47%.

What is the driest month in Valley?

August is the month with the least rainfall. Rain falls for 5.6 days and accumulates 0.35" (9mm) of precipitation.

What month has the most sunshine in Valley?

With an average of 12h of sunshine, August has the most sunshine of the year.

What is the coldest month in Valley?

The coldest month is December, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18.7°F (-7.4°C).

What is the month with the shortest days in Valley?

The month with the shortest days in Valley is December, with an average of 8h and 26min of daylight.

Average temperature
Valley, WA

Average temperature - Valley, WA

The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (29.8°F).

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

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Average pressure
Valley, WA

Average pressure - Valley, WA

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed
Valley, WA

Average wind speed - Valley, WA

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).

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Average rainfall
Valley, WA

Average rainfall - Valley, WA

The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is August (0.35").

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Average rainfall days
Valley, WA

Average rainfall days - Valley, WA

The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (5.6 days).

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Average snowfall
Valley, WA

Average snowfall - Valley, WA

The month with the highest snowfall is January (10.47").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days
Valley, WA

Average snowfall days - Valley, WA

The month with the highest number of snowfall days is December (15.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight / Average sunshine
Valley, WA

Average daylight / Average sunshine - Valley, WA

The month with the longest days is June (Average daylight: 16h and 1min).
The month with the shortest days is December (Average daylight: 8h and 26min).

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Valley, WA

Average sunshine days - Valley, WA

The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is March (9.3 days).

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Average visibility
Valley, WA

Average visibility - Valley, WA

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

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