Climate and monthly weather forecast
Cascade Valley, WA

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Weather in January

January, like December, in Cascade Valley, Washington, is another cold winter month, with an average temperature fluctuating between 34.9°F (1.6°C) and 25.3°F (-3.7°C). Entering January, the average high-temperature is recorded at a still cold 34.9°F (1.6°C), exhibiting a minimal shift from December's 34°F (1.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Cascade Valley, Washington, with an average temperature fluctuating between 28.8°F (-1.8°C) and 39.9°F (4.4°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still icy 39.9°F (4.4°C) from January's 34.9°F (1.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Cascade Valley, Washington, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 50.9°F (10.5°C). Cascade Valley experiences a temperature shift with the start of March, with average high-temperatures moving from a wintry 39.9°F (4.4°C) in February to a fresh 50.9°F (10.5°C). Weather in March »

Weather in April

April in Cascade Valley, Washington, is a refreshing spring month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 60.6°F (15.9°C). As Cascade Valley transitions into April, the average high-temperature shows a change, moving from a cool 50.9°F (10.5°C) in March to a refreshing 60.6°F (15.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Cascade Valley, Washington, with an average temperature fluctuating between 49.1°F (9.5°C) and 70.9°F (21.6°C). The start of May brings a shift in the average high-temperature, increasing from April's refreshing 60.6°F (15.9°C) to an agreeable 70.9°F (21.6°C). Weather in May »

Weather in June

June, the first month of the summer in Cascade Valley, is a warm month, with an average temperature varying between 54°F (12.2°C) and 77.7°F (25.4°C). The average high-temperature mildly increases in June, edging from a pleasant 70.9°F (21.6°C) in May to a warm 77.7°F (25.4°C). Weather in June »

Weather in July

July is a hot summer month in Cascade Valley, Washington, with an average temperature varying between 61.3°F (16.3°C) and 87.6°F (30.9°C). Temperature records mark July as the warmest month, with highs averaging 87.6°F (30.9°C) and lows at 61.3°F (16.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Cascade Valley, Washington, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 86.9°F (30.5°C). August notes an average high-temperature of a still hot 86.9°F (30.5°C), subtly differing from July's 87.6°F (30.9°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 ranging between max 75.9°F (24.4°C) and min 55.2°F (12.9°C). Onset of September comes with a temperature decline, the average high falling from a tropical 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 ranging between min 43.7°F (6.5°C) and max 59.5°F (15.3°C). October's onset brings a noticeable temperature drop, falling from a warm 75.9°F (24.4°C) in September to a mild 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 fluctuating between 32.5°F (0.3°C) and 44.6°F (7°C). November's arrival signals a distinct temperature shift, dropping from a refreshing 59.5°F (15.3°C) in October to a frosty 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 ranging between min 23.9°F (-4.5°C) and max 34°F (1.1°C). The coldest month is December, 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 »
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

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

What is the wettest month in Cascade Valley?

The month with the most rainfall is January, when the rain falls for 11.1 days and typically aggregates up to 1.02" (26mm) of precipitation.

How many days does it rain?

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?

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

How many days does it snow?

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?

The month with the least sunshine in Cascade Valley is January, with an average of 4.9h of sunshine.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow?

In Cascade Valley, snow does not fall in May through August and October.

When are the longest days?

The month with the longest days is June, with an average of 15h and 54min of daylight.

What are the warmest months?

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

What are the least humid months?

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

What is the month with the most sunshine?

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

What is the month with the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the driest month?

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?

December is the coldest month, exhibiting average temperatures of 34°F (1.1°C) at the peak and 23.9°F (-4.5°C) at the base.

What is the snowiest month?

The month with the most snowfall 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?

With an average of 8h and 36min of daylight, December has the shortest days of the year.

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).

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).

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).

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%).

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").

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).

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").

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).

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 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

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).

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).

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).

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).

Cascade Valley, Washington, USA

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