West Richland
Washington, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
West Richland, WA

April in West Richland, Washington, is an enjoyable spring month, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 43.2°F (6.2°C).

Temperature

In West Richland, Washington, the average high-temperature marginally rises, from a fresh 54.7°F (12.6°C) in March, to an enjoyable 63.3°F (17.4°C). In West Richland, Washington, in April, the average low-temperature is 43.2°F (6.2°C).

Humidity

The average relative humidity in April is 53%.

Rainfall

In West Richland, in April, it is raining for 9.9 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 100.2 rainfall days, and 7.05" (179mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in West Richland.

Daylight

In April, the average length of the day in West Richland is 13.6h.

Sunshine

In April, the average sunshine is 10.2h.

UV index

The average daily maximum UV index in West Richland is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in April in West Richland?

In West Richland, Washington, in April, the average high-temperature is 63.3°F (17.4°C), and the average low-temperature is 43.2°F (6.2°C).

What is the average humidity in April in West Richland?

In West Richland, Washington, the average relative humidity in April is 53%.

How much does it rain in West Richland in April?

In West Richland, Washington, in April, during 9.9 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

Does it snow in West Richland in April?

In April, it doesn't snow. March is the latest month when it typically snows.

When it does not snow in West Richland?

April through October are months without snowfall in West Richland.

How many hours of daylight does West Richland have in April?

In West Richland, Washington, the average length of the day in April is 13.6h.

How long on average sun shines in April in West Richland?

In West Richland, Washington, the average sunshine in April is 10.2h.

What is the UV index reading in April in West Richland?

In West Richland, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in April - West Richland, WA
  • Average high temperature in April: 63.3°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.1°F).

  • Average low temperature in April: 43.2°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (27.5°F).

Average humidity in April - West Richland, WA
  • Average humidity in April: 53%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is July (35%).

Average rainfall in April - West Richland, WA
  • Average rainfall in April: 0.51"

The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and September (0.2").

Average rainfall days in April - West Richland, WA
  • Average rainfall days in April: 9.9 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.5 days).

Average snowfall in April - West Richland, WA
  • Average snowfall in April: 0"

The month with the highest snowfall is February (2.2").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April - West Richland, WA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is December (3.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in April / Average sunshine in April - West Richland, WA
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in April: 10.2h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.4h).

Average UV index in April - West Richland, WA
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).