April weather forecast
Soap Lake, WA

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Weather in April

April in Soap Lake, Washington, is a moderate spring month, with an average temperature ranging between min 40.3°F (4.6°C) and max 59.5°F (15.3°C).

Temperature

April's onset is marked by a temperature increase, moving from a frosty 49.6°F (9.8°C) in March to a refreshing 59.5°F (15.3°C). April brings an average low-temperature of 40.3°F (4.6°C) to Soap Lake.

Humidity

The average relative humidity in April in Soap Lake is 55%.

Rainfall

In Soap Lake, in April, it is raining for 8.5 days, with typically 0.55" (14mm) of accumulated precipitation. In Soap Lake, during the entire year, the rain falls for 95.2 days and collects up to 7.91" (201mm) of precipitation.

Snowfall

Months with snowfall are January through April, September, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Soap Lake aggregates 0.04" (1mm) of snow. Throughout the year, there are 23.5 snowfall days, and 11.38" (289mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 40min.
On the first day of April, sunrise is at 6:34 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:08 pm PDT.

Sunshine

In Soap Lake, the average sunshine in April is 10.1h.

UV index

In Soap Lake, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in April transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

Soap Lake in April has an average high-temperature of 59.5°F (15.3°C) and an average low-temperature of 40.3°F (4.6°C).

What is the average humidity in April?

In Soap Lake, the average relative humidity in April is 55%.

How many days does it rain in April?

In April, the rain falls for 8.5 days. Throughout April, 0.55" (14mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 0.2 snowfall days, in April, Soap Lake aggregates 0.04" (1mm) of snow.

What is the average length of the day in April?

The average day length in April is 13h and 40min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:34 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:08 pm PDT.

How many hours of sunshine does Soap Lake have in April?

The average sunshine duration in April is 10.1h.

How high is the UV index in April?

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Soap Lake, WA

Average temperature in April - Soap Lake, WA
  • Average high temperature in April: 59.5°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (33.4°F).

  • Average low temperature in April: 40.3°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure in April
Soap Lake, WA

Average pressure in April - Soap Lake, 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).

Average wind speed in April
Soap Lake, WA

Average wind speed in April - Soap Lake, WA
  • Average wind speed in April: 7.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).

Average humidity in April
Soap Lake, WA

Average humidity in April - Soap Lake, WA
  • Average humidity in April: 55%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (37%).

Average rainfall in April
Soap Lake, WA

Average rainfall in April - Soap Lake, 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 (0.24").

Average rainfall days in April
Soap Lake, WA

Average rainfall days in April - Soap Lake, WA
  • Average rainfall days in April: 8.5 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (4.2 days).

Average snowfall in April
Soap Lake, WA

Average snowfall in April - Soap Lake, WA
  • Average snowfall in April: 0.04"

The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in April
Soap Lake, WA

Average snowfall days in April - Soap Lake, WA
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in April /
Average sunshine in April
Soap Lake, WA

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

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 30min).

  • Average sunshine in April: 10h and 1min

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 30min).

Average sunshine days in April
Soap Lake, WA

Average sunshine days in April - Soap Lake, WA
  • Average sunshine days in April: 18.8 days

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (15.6 days).

Average UV index in April
Soap Lake, WA

Average UV index in April - Soap Lake, 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).

Average cloud cover in April
Soap Lake, WA

Average cloud cover in April - Soap Lake, WA
  • Average cloud cover in April: 33

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in April
Soap Lake, WA

Average visibility in April - Soap Lake, 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 month with the lowest visibility is January (4mi).

Soap Lake, Washington, USA

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