April weather forecast
Elk Plain, WA

Weather in April

April in Elk Plain, Washington, is a moderate spring month, with average temperature varying between 55.9°F (13.3°C) and 38.3°F (3.5°C).

Temperature

In Elk Plain, the average high-temperature in April marginally rises, from a cool 50.4°F (10.2°C) in March, to a mild 55.9°F (13.3°C). The average low-temperature, in April, is 38.3°F (3.5°C).

Humidity

The average relative humidity in Elk Plain is 80%.

Rainfall

In Elk Plain, in April, it is raining for 17.6 days, with typically 2.52" (64mm) of accumulated precipitation. In Elk Plain, during the entire year, the rain falls for 172.9 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Elk Plain. During 0.3 snowfall days, Elk Plain aggregates 0.04" (1mm) of snow. In Elk Plain, Washington, during the entire year, snow falls for 10.3 days, and aggregates up to 5.94" (151mm) of snow.

Daylight

The average length of the day in April is 13.7h.

Sunshine

In April, the average sunshine in Elk Plain, Washington, is 7.7h.

UV index

The average daily maximum UV index in Elk Plain is 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Elk Plain?

In April, the average relative humidity is 80%.

How much does it rain in Elk Plain in April?

In April, in Elk Plain, the rain falls for 17.6 days. Throughout April, 2.52" (64mm) of precipitation is accumulated.

What is the last month it snows in Elk Plain?

April is the last month it regularly snows in Elk Plain. During 0.3 snowfall days, in April, Elk Plain aggregates 0.04" (1mm) of snow.

What is the average length of the day in April in Elk Plain?

The average length of the day in April is 13.7h.

How long on average sun shines in April in Elk Plain?

In Elk Plain, Washington, the average sunshine in April is 7.7h.

What is the UV index intensity in April in Elk Plain?

In April, the average daily maximum UV index in Elk Plain is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in April
Elk Plain, WA

Average temperature in April - Elk Plain, WA
  • Average high temperature in April: 55.9°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).

  • Average low temperature in April: 38.3°F

The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

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Average pressure in April
Elk Plain, WA

Average pressure in April - Elk Plain, WA
  • Average pressure in April: 30.05"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are March, August and September (30.01").

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Average wind speed in April
Elk Plain, WA

Average wind speed in April - Elk Plain, WA
  • Average wind speed in April: 4.6mph

The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in April
Elk Plain, WA

Average humidity in April - Elk Plain, WA
  • Average humidity in April: 80%

Months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in April
Elk Plain, WA

Average rainfall in April - Elk Plain, WA
  • Average rainfall in April: 2.52"

The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days in April
Elk Plain, WA

Average rainfall days in April - Elk Plain, WA
  • Average rainfall days in April: 17.6 days

The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).

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Average snowfall in April
Elk Plain, WA

Average snowfall in April - Elk Plain, WA
  • Average snowfall in April: 0.04"

The month with the highest snowfall is February (2.44").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Elk Plain, WA

Average snowfall days in April - Elk Plain, WA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is February (4.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Elk Plain, WA

Average daylight in April / Average sunshine in April - Elk Plain, WA
  • Average daylight in April: 13.7h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in April: 7.7h

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 4.1h).

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Average sunshine days in April
Elk Plain, WA

Average sunshine days in April - Elk Plain, WA
  • Average sunshine days in April: 10.1 days

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).

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Average UV index in April
Elk Plain, WA

Average UV index in April - Elk Plain, WA
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in April
Elk Plain, WA

Average cloud cover in April - Elk Plain, WA
  • Average cloud cover in April: 53

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in April
Elk Plain, WA

Average visibility in April - Elk Plain, WA
  • Average visibility in April: 5mi

Months with the highest visibility are July and August (6mi).
Months with the lowest visibility are January and February (4mi).

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