April weather forecast
Nespelem, WA

Weather in April

April in Nespelem, Washington, is a mild spring month, with average temperature varying between 57°F (13.9°C) and 37.9°F (3.3°C).

Temperature

In April, the average high-temperature increases, from a chilly 46°F (7.8°C) in March, to a moderate 57°F (13.9°C). In Nespelem, in April, the average low-temperature is 37.9°F (3.3°C).

Humidity

The average relative humidity in Nespelem, Washington, is 59%.

Rainfall

In April, in Nespelem, the rain falls for 11.1 days. Throughout April, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 102.1 rainfall days, and 9.65" (245mm) of precipitation is accumulated.

Snowfall

January through April, September through December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Nespelem aggregates 0.39" (10mm) of snow. In Nespelem, during the entire year, snow falls for 33.4 days, and aggregates up to 14.65" (372mm) of snow.

Daylight

In Nespelem, the average length of the day is 13.7h.

Sunshine

In April, the average sunshine is 10.1h.

UV index

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Nespelem?

The average relative humidity in April in Nespelem, Washington, is 59%.

How many days does it rain in April in Nespelem?

In Nespelem, in April, during 11.1 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

What is the last month it snows in Nespelem?

April is the last month it regularly snows in Nespelem, Washington. During 0.8 snowfall days, in April, Nespelem aggregates 0.39" (10mm) of snow.

How many hours of daylight does Nespelem have in April?

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

How long on average sun shines in April in Nespelem?

In Nespelem, Washington, the average sunshine in April is 10.1h.

What is the UV index reading in April in Nespelem?

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 rays.

Average temperature in April
Nespelem, WA

Average temperature in April - Nespelem, WA
  • Average high temperature in April: 57°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).

  • Average low temperature in April: 37.9°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 (21.4°F).

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Average pressure in April
Nespelem, WA

Average pressure in April - Nespelem, WA
  • Average pressure in April: 29.98"

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is August (29.91").

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Average wind speed in April
Nespelem, WA

Average wind speed in April - Nespelem, WA
  • Average wind speed in April: 7mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).

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Average humidity in April
Nespelem, WA

Average humidity in April - Nespelem, WA
  • Average humidity in April: 59%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in April
Nespelem, WA

Average rainfall in April - Nespelem, WA
  • Average rainfall in April: 0.79"

The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").

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Average rainfall days in April
Nespelem, WA

Average rainfall days in April - Nespelem, WA
  • Average rainfall days in April: 11.1 days

The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall in April
Nespelem, WA

Average snowfall in April - Nespelem, WA
  • Average snowfall in April: 0.39"

The month with the highest snowfall is January (4.41").
Months with the least snowfall are May, June, July and August (0").

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Average snowfall days in April
Nespelem, WA

Average snowfall days in April - Nespelem, WA
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is December (10.5 days).
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
Nespelem, WA

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

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in April: 10.1h

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in April
Nespelem, WA

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

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).

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Average UV index in April
Nespelem, WA

Average UV index in April - Nespelem, WA
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in April
Nespelem, WA

Average cloud cover in April - Nespelem, WA
  • Average cloud cover in April: 33

The month with the most cloud cover is January (Cloud cover 55).
Months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in April
Nespelem, WA

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

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

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