April weather forecast
Ellensburg, WA

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Weather in April

April in Ellensburg, Washington, is a cool spring month, with an average temperature varying between 36.1°F (2.3°C) and 54.5°F (12.5°C).

Temperature

With the onset of April, Ellensburg's average high-temperature experiences a rise, moving from March's frosty 45.1°F (7.3°C) to a fresh 54.5°F (12.5°C). In Ellensburg, the nighttime temperature averages to a wintry 36.1°F (2.3°C) during April.

Humidity

In April, the average relative humidity in Ellensburg is 64%.

Rainfall

In Ellensburg, in April, during 10.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Ellensburg, Washington, there are 99.9 rainfall days, and 8.66" (220mm) of precipitation is accumulated.

Snowfall

January through April, September through December are months with snowfall in Ellensburg, Washington. April is the last month it regularly snows in Ellensburg. During 1.2 snowfall days, in April, Ellensburg aggregates 0.2" (5mm) of snow. Throughout the year, there are 35.4 snowfall days, and 15.59" (396mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 38min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:32 pm. On the last day of April, sunrise is at 5:46 am and sunset at 8:12 pm PDT.

Sunshine

In April, the average sunshine in Ellensburg is 10.4h.

UV index

In Ellensburg, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 3 in April leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the average April temperature in Ellensburg?

An average high-temperature, in April, in Ellensburg, is 54.5°F (12.5°C) and the average low-temperature is 36.1°F (2.3°C).

What is the average humidity in April in Ellensburg?

The average relative humidity in April in Ellensburg is 64%.

How much does it rain in Ellensburg in April?

In Ellensburg, Washington, in April, during 10.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

What is the last month it snows in Ellensburg?

April is the last month it regularly snows in Ellensburg, Washington. During 1.2 snowfall days, in April, Ellensburg aggregates 0.2" (5mm) of snow.

How many hours of daylight does Ellensburg have in April?

In Ellensburg, the average day length in April is 13h and 38min.

When is the sunrise / sunset in April in Ellensburg?

In April, on the first day of the month, sunrise is at 6:39 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:12 pm PDT.

How many hours of sunshine does Ellensburg have in April?

In Ellensburg, Washington, the average sunshine duration in April is 10.4h.

What is the UV index reading in April in Ellensburg?

The average daily maximum UV index in April in Ellensburg is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Ellensburg, WA

Average temperature in April - Ellensburg, WA
  • Average high temperature in April: 54.5°F

The warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is December (33.3°F).

  • Average low temperature in April: 36.1°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).

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Average pressure in April
Ellensburg, WA

Average pressure in April - Ellensburg, WA
  • Average pressure in April: 30.01"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

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Average wind speed in April
Ellensburg, WA

Average wind speed in April - Ellensburg, WA
  • Average wind speed in April: 7.4mph

The windiest month (with the highest average wind speed) is June (8.9mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

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Average humidity in April
Ellensburg, WA

Average humidity in April - Ellensburg, WA
  • Average humidity in April: 64%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).

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Average rainfall in April
Ellensburg, WA

Average rainfall in April - Ellensburg, WA
  • Average rainfall in April: 0.55"

The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in April
Ellensburg, WA

Average rainfall days in April - Ellensburg, WA
  • Average rainfall days in April: 10.9 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in April
Ellensburg, WA

Average snowfall in April - Ellensburg, WA
  • Average snowfall in April: 0.2"

The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in April
Ellensburg, WA

Average snowfall days in April - Ellensburg, WA
  • Average snowfall days in April: 1.2 days

The months with the highest number of snowfall days are January and December (8.7 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
Ellensburg, WA

Average daylight in April / Average sunshine in April - Ellensburg, WA
  • Average daylight in April: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in April: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

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Average sunshine days in April
Ellensburg, WA

Average sunshine days in April - Ellensburg, WA
  • Average sunshine days in April: 15.8 days

The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is February (13.5 days).

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Average UV index in April
Ellensburg, WA

Average UV index in April - Ellensburg, WA
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in April
Ellensburg, WA

Average cloud cover in April - Ellensburg, WA
  • Average cloud cover in April: 32

The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in April
Ellensburg, WA

Average visibility in April - Ellensburg, WA
  • Average visibility in April: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).

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Ellensburg, Washington, USA

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