April weather forecast
Cascade Valley, WA

Weather in April

April in Cascade Valley, Washington, is a mild spring month, with an average temperature ranging between min 41.4°F (5.2°C) and max 60.6°F (15.9°C).

Temperature

In Cascade Valley, the average high-temperature in April increases from a cool 50.9°F (10.5°C) in March to a moderate 60.6°F (15.9°C). In Cascade Valley, in April, the average low-temperature is 41.4°F (5.2°C).

Humidity

The average relative humidity in April is 54%.

Rainfall

In Cascade Valley, during April, the rain falls for 9.6 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, in Cascade Valley, there are 103.1 rainfall days, and 7.8" (198mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Cascade Valley, Washington, are January through April, September, November and December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Cascade Valley aggregates 0.08" (2mm) of snow. In Cascade Valley, during the entire year, snow falls for 20.9 days and aggregates up to 8.07" (205mm) of snow.

Daylight

In April, the average length of the day in Cascade Valley, Washington, is 13h and 39min.
On the first day of April in Cascade Valley, sunrise is at 6:35 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:06 pm PDT.

Sunshine

The average sunshine in April in Cascade Valley is 10.2h.

UV index

The average daily maximum UV index in April in Cascade Valley, Washington, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Cascade Valley?

In April, the average high-temperature is 60.6°F (15.9°C), and the average low-temperature is 41.4°F (5.2°C).

What is the average humidity in April in Cascade Valley?

In April, the average relative humidity in Cascade Valley is 54%.

How many days does it rain in April in Cascade Valley?

In Cascade Valley, Washington, in April, it is raining for 9.6 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the last month it snows in Cascade Valley?

April is the last month it regularly snows in Cascade Valley, Washington. During 0.4 snowfall days, in April, Cascade Valley aggregates 0.08" (2mm) of snow.

What is the average length of the day in April in Cascade Valley?

The average day length in April in Cascade Valley is 13h and 39min.

When is the sunrise / sunset in April in Cascade Valley?

On the first day of April in Cascade Valley, Washington, sunrise is at 6:35 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:06 pm PDT.

How many hours of sunshine does Cascade Valley have in April?

The average sunshine duration in April in Cascade Valley, Washington, is 10.2h.

How high is the UV index in April in Cascade Valley?

In Cascade Valley, Washington, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Cascade Valley, WA

Average temperature in April - Cascade Valley, WA
  • Average high temperature in April: 60.6°F

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).

  • Average low temperature in April: 41.4°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 in April
Cascade Valley, WA

Average pressure in April - Cascade Valley, WA
  • Average pressure in April: 29.99"Hg

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 in April
Cascade Valley, WA

Average wind speed in April - Cascade Valley, WA
  • Average wind speed in April: 7.9mph

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 in April
Cascade Valley, WA

Average humidity in April - Cascade Valley, WA
  • Average humidity in April: 54%

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 in April
Cascade Valley, WA

Average rainfall in April - Cascade Valley, WA
  • Average rainfall in April: 0.55"

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 in April
Cascade Valley, WA

Average rainfall days in April - Cascade Valley, WA
  • Average rainfall days in April: 9.6 days

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 in April
Cascade Valley, WA

Average snowfall in April - Cascade Valley, WA
  • Average snowfall in April: 0.08"

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 in April
Cascade Valley, WA

Average snowfall days in April - Cascade Valley, WA
  • Average snowfall days in April: 0.4 days

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 in April /
Average sunshine in April
Cascade Valley, WA

Average daylight in April / Average sunshine in April - Cascade Valley, WA
  • Average daylight in April: 13h and 39min

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).

  • Average sunshine in April: 10h and 12min

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 in April
Cascade Valley, WA

Average sunshine days in April - Cascade Valley, WA
  • Average sunshine days in April: 17.1 days

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 in April
Cascade Valley, WA

Average UV index in April - Cascade Valley, WA
  • Average UV index in April: 4

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 cloud cover in April
Cascade Valley, WA

Average cloud cover in April - Cascade Valley, WA
  • Average cloud cover in April: 33

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in April
Cascade Valley, WA

Average visibility in April - Cascade Valley, WA
  • Average visibility in April: 6mi

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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