April weather forecast
North Bonneville, WA

Weather in April

April in North Bonneville, Washington, is a cool spring month, with average temperature varying between 51.8°F (11°C) and 34.3°F (1.3°C).

Temperature

In North Bonneville, the average high-temperature slightly increases, from a frosty 44.8°F (7.1°C) in March, to a fresh 51.8°F (11°C). In April, in North Bonneville, the average low-temperature is 34.3°F (1.3°C).

Humidity

In North Bonneville, the average relative humidity is 82%.

Rainfall

In April, the rain falls for 16.6 days. Throughout April, 2.52" (64mm) of precipitation is accumulated. In North Bonneville, Washington, during the entire year, the rain falls for 158.4 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

In North Bonneville, Washington, snow does not fall through October.

Daylight

The average length of the day in North Bonneville is 13.6h.

Sunshine

The average sunshine in April is 6.1h.

UV index

In North Bonneville, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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. 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 North Bonneville?

The average relative humidity in April in North Bonneville, Washington, is 82%.

How many days does it rain in April in North Bonneville?

In April, the rain falls for 16.6 days. Throughout April, 2.52" (64mm) of precipitation is accumulated.

When it does not snow in North Bonneville?

In North Bonneville, Washington, snow does not fall in April through October.

Does it snow in North Bonneville in April?

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

What is the average length of the day in April in North Bonneville?

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

How many hours of sunshine does North Bonneville have in April?

In April, the average sunshine is 6.1h.

What is the UV index intensity in April in North Bonneville?

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in April
North Bonneville, WA

Average temperature in April - North Bonneville, WA
  • Average high temperature in April: 51.8°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in April: 34.3°F

The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (28.2°F).

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Average pressure in April
North Bonneville, WA

Average pressure in April - North Bonneville, WA
  • Average pressure in April: 30.05"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is August (29.98").

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Average wind speed in April
North Bonneville, WA

Average wind speed in April - North Bonneville, WA
  • Average wind speed in April: 5.5mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in April
North Bonneville, WA

Average humidity in April - North Bonneville, WA
  • Average humidity in April: 82%

The month with the highest relative humidity is February (89%).
Months with the lowest relative humidity are July and August (67%).

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Average rainfall in April
North Bonneville, WA

Average rainfall in April - North Bonneville, WA
  • Average rainfall in April: 2.52"

The wettest month (with the highest rainfall) is January (5.35").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in April
North Bonneville, WA

Average rainfall days in April - North Bonneville, WA
  • Average rainfall days in April: 16.6 days

The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is July (4.4 days).

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Average snowfall in April
North Bonneville, WA

Average snowfall in April - North Bonneville, WA
  • Average snowfall in April: 0"

The month with the highest snowfall is January (3.62").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in April
North Bonneville, WA

Average snowfall days in April - North Bonneville, WA
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is February (3.8 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
North Bonneville, WA

Average daylight in April / Average sunshine in April - North Bonneville, 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: 8.8h).

  • Average sunshine in April: 6.1h

Months with the most sunshine are July and August (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 3.2h).

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Average sunshine days in April
North Bonneville, WA

Average sunshine days in April - North Bonneville, WA
  • Average sunshine days in April: 11.7 days

The month with the most sunshine days is July (24.5 days).
The month with the least sunshine days is February (9.4 days).

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Average UV index in April
North Bonneville, WA

Average UV index in April - North Bonneville, WA
  • Average UV index in April: 3

Months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in April
North Bonneville, WA

Average cloud cover in April - North Bonneville, WA
  • Average cloud cover in April: 63

The month with the most cloud cover is February (Cloud cover 68).
Months with the least cloud cover are July and August (Cloud cover 26).

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Average visibility in April
North Bonneville, WA

Average visibility in April - North Bonneville, WA
  • Average visibility in April: 4mi

Months with the highest visibility are May, June, July, August, September and October (5mi).
Months with the lowest visibility are January, February, March, April, November and December (4mi).

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