Climate and monthly weather forecast
Cascade Valley, WA

Weather in January

January, like December, in Cascade Valley, Washington, is another cold winter month, with an average temperature ranging between max 34.9°F (1.6°C) and min 25.3°F (-3.7°C). In Cascade Valley, Washington, the average high-temperature in January is essentially the same as in December - a still wintry 34.9°F (1.6°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Cascade Valley, Washington, with an average temperature fluctuating between 28.8°F (-1.8°C) and 39.9°F (4.4°C). In February, the average high-temperature is almost the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Cascade Valley, Washington, with an average temperature fluctuating between 50.9°F (10.5°C) and 36°F (2.2°C). In Cascade Valley, the average high-temperature in March increases from a wintry 39.9°F (4.4°C) in February to a cool 50.9°F (10.5°C). Weather in March »

Weather in April

April in Cascade Valley, Washington, is a moderate spring month, with an average temperature varying between 41.4°F (5.2°C) and 60.6°F (15.9°C). In April, the average high-temperature rises from a fresh 50.9°F (10.5°C) in March to a moderate 60.6°F (15.9°C). Weather in April »

Weather in May

May, the last month of the spring in Cascade Valley, is an agreeable month, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 70.9°F (21.6°C). In May, the average high-temperature increases from a mild 60.6°F (15.9°C) in April to an agreeable 70.9°F (21.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Cascade Valley, Washington, with an average temperature ranging between max 77.7°F (25.4°C) and min 54°F (12.2°C). In June, the average high-temperature slightly increases from an agreeable 70.9°F (21.6°C) in May to a moderately hot 77.7°F (25.4°C). Weather in June »

Weather in July

July in Cascade Valley, Washington, is a hot summer month, with an average temperature ranging between max 87.6°F (30.9°C) and min 61.3°F (16.3°C). The warmest month is July, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 61.3°F (16.3°C). Weather in July »

Weather in August

August, the last month of the summer in Cascade Valley, is another tropical month, with an average temperature ranging between max 86.9°F (30.5°C) and min 62.2°F (16.8°C). In August, the average high-temperature is relatively the same as in July - a still tropical 86.9°F (30.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Cascade Valley, is also a moderately hot month, with an average temperature varying between 75.9°F (24.4°C) and 55.2°F (12.9°C). In September, the average high-temperature decreases from a hot 86.9°F (30.5°C) in August to a moderately hot 75.9°F (24.4°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Cascade Valley, Washington, with an average temperature fluctuating between 59.5°F (15.3°C) and 43.7°F (6.5°C). In October, the average high-temperature declines considerably from a warm 75.9°F (24.4°C) in September to a moderate 59.5°F (15.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Cascade Valley, Washington, with an average temperature varying between 32.5°F (0.3°C) and 44.6°F (7°C). In November, the average high-temperature plummets from a moderate 59.5°F (15.3°C) in October to a chilly 44.6°F (7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Cascade Valley, Washington, with an average temperature fluctuating between 34°F (1.1°C) and 23.9°F (-4.5°C). December is the coldest month, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 23.9°F (-4.5°C). Weather in December »
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FAQ

What is the most humid month in Cascade Valley?

With an average relative humidity of 85%, January is the most humid month in Cascade Valley.

What is the rainiest month in Cascade Valley?

January is the month with the most rainfall. Rain falls for 11.1 days and accumulates 1.02" (26mm) of precipitation.

How many days does it rain in Cascade Valley?

In Cascade Valley, during the entire year, the rain falls for 103.1 days and collects up to 7.8" (198mm) of precipitation.

When does it snow in Cascade Valley?

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

How much does it snow in Cascade Valley?

Throughout the year, there are 20.9 snowfall days, and 8.07" (205mm) of snow is accumulated.

What is the month with the least sunshine in Cascade Valley?

January has the least sunshine of the year in Cascade Valley, Washington, with an average of 4.9h of sunshine.

When is the lowest UV index in Cascade Valley?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cascade Valley, Washington.

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

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, 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 Cascade Valley?

May through August and October are months without snowfall in Cascade Valley.

When are the longest days in Cascade Valley?

June has the longest days of the year in Cascade Valley, with an average of 15h and 51min of daylight.

What is the warmest month in Cascade Valley?

The warmest month is July, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 61.3°F (16.3°C).

What is the least humid month in Cascade Valley?

July and August, with an average relative humidity of 36%, are the least humid months.

What is the month with the most sunshine in Cascade Valley?

July and August, with an average of 12h of sunshine, are months with the most sunshine.

When is the highest UV index in Cascade Valley?

July is the month with the highest UV index in Cascade Valley, Washington, with an average maximum UV index of 7.

What is the driest month in Cascade Valley?

The month with the least rainfall is August, when the rain falls for 4.3 days and typically collects 0.2" (5mm) of precipitation.

What is the coldest month in Cascade Valley?

With an average high-temperature of 34°F (1.1°C) and an average low-temperature of 23.9°F (-4.5°C), December is the coldest month.

What is the snowiest month in Cascade Valley?

The month with the most snowfall in Cascade Valley is December, when snow falls for 6.8 days and typically aggregates up to 2.6" (66mm) of snow.

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

With an average of 8h and 34min of daylight, December has the shortest days of the year in Cascade Valley.

Average temperature
Cascade Valley, WA

Average temperature - Cascade Valley, WA

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (34°F).

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

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Average pressure
Cascade Valley, WA

Average pressure - Cascade Valley, WA

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed
Cascade Valley, WA

Average wind speed - Cascade Valley, WA

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).

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Average humidity
Cascade Valley, WA

Average humidity - Cascade Valley, WA

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (36%).

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Average rainfall
Cascade Valley, WA

Average rainfall - Cascade Valley, WA

The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is August (0.2").

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Average rainfall days
Cascade Valley, WA

Average rainfall days - Cascade Valley, WA

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.8 days).

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Average snowfall
Cascade Valley, WA

Average snowfall - Cascade Valley, WA

The month with the highest snowfall is December (2.6").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days
Cascade Valley, WA

Average snowfall days - Cascade Valley, WA

The month with the highest number of snowfall days is December (6.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight / Average sunshine
Cascade Valley, WA

Average daylight / Average sunshine - Cascade Valley, WA

The month with the longest days is June (Average daylight: 15h and 51min).
The month with the shortest days is December (Average daylight: 8h and 34min).

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days
Cascade Valley, WA

Average sunshine days - Cascade Valley, WA

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (14.2 days).

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Average UV index
Cascade Valley, WA

Average UV index - Cascade Valley, WA

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Cascade Valley, WA

Average visibility - Cascade Valley, WA

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

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