April weather forecast
Maple Valley, WA

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Weather in April

April is a fresh spring month in Maple Valley, Washington, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 53.2°F (11.8°C).

Temperature

April brings a slight increase in the average high-temperature, progressing from a chilly 47.8°F (8.8°C) in March to a fresh 53.2°F (11.8°C). Maple Valley, during the month of April, experiences an average low-temperature of 36.7°F (2.6°C).

Humidity

The average relative humidity in April is 82%.

Rainfall

In April, the rain falls for 18.5 days. Throughout April, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 182.4 rainfall days, and 36.77" (934mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Maple Valley, Washington. April is the last month it regularly snows in Maple Valley, Washington. During 1.1 snowfall days, in April, Maple Valley aggregates 0.31" (8mm) of snow. In Maple Valley, during the entire year, snow falls for 19.7 days and aggregates up to 11.5" (292mm) of snow.

Daylight

The average length of the day in April is 13h and 40min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of April, sunrise is at 5:51 am and sunset at 8:18 pm PDT.

Sunshine

In Maple Valley, the average sunshine in April is 7.5h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in April interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for Maple Valley in April?

The average high-temperature, in April, in Maple Valley, is 53.2°F (11.8°C), while the average low-temperature is 36.7°F (2.6°C).

What is the average humidity in April in Maple Valley?

In Maple Valley, Washington, the average relative humidity in April is 82%.

How much does it rain in Maple Valley in April?

In Maple Valley, Washington, during April, the rain falls for 18.5 days and regularly aggregates up to 2.95" (75mm) of precipitation.

What is the last month it snows in Maple Valley?

April is the last month it regularly snows. During 1.1 snowfall days, in April, Maple Valley aggregates 0.31" (8mm) of snow.

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

In April, the average day length in Maple Valley is 13h and 40min.

When are sunrise and sunset in April in Maple Valley?

On the first day of April, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:18 pm PDT.

How long on average sun shines in April in Maple Valley?

The average sunshine duration in April in Maple Valley, Washington, is 7.5h.

What is the UV index reading in April in Maple Valley?

In Maple Valley, Washington, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Maple Valley, WA

Average temperature in April - Maple Valley, WA
  • Average high temperature in April: 53.2°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in April: 36.7°F

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (31.6°F).

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Average pressure in April
Maple Valley, WA

Average pressure in April - Maple Valley, WA
  • Average pressure in April: 30.04"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).

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Average wind speed in April
Maple Valley, WA

Average wind speed in April - Maple Valley, WA
  • Average wind speed in April: 4.2mph

The windiest month (with the highest average wind speed) is January (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in April
Maple Valley, WA

Average humidity in April - Maple Valley, WA
  • Average humidity in April: 82%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in April
Maple Valley, WA

Average rainfall in April - Maple Valley, WA
  • Average rainfall in April: 2.95"

The wettest month (with the highest rainfall) is December (5.43").
The driest month (with the least rainfall) is July (0.59").

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Average rainfall days in April
Maple Valley, WA

Average rainfall days in April - Maple Valley, WA
  • Average rainfall days in April: 18.5 days

The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.7 days).

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Average snowfall in April
Maple Valley, WA

Average snowfall in April - Maple Valley, WA
  • Average snowfall in April: 0.31"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Maple Valley, WA

Average snowfall days in April - Maple Valley, WA
  • Average snowfall days in April: 1.1 days

The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).

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Average daylight in April /
Average sunshine in April
Maple Valley, WA

Average daylight in April / Average sunshine in April - Maple Valley, 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: 7h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

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Average sunshine days in April
Maple Valley, WA

Average sunshine days in April - Maple Valley, WA
  • Average sunshine days in April: 9.3 days

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in April
Maple Valley, WA

Average UV index in April - Maple Valley, WA
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in April
Maple Valley, WA

Average cloud cover in April - Maple Valley, WA
  • Average cloud cover in April: 55

The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in April
Maple Valley, WA

Average visibility in April - Maple Valley, WA
  • Average visibility in April: 5mi

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Maple Valley, Washington, USA

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