April weather forecastNorth Bonneville, WA
April
Weather in April
April is a fresh spring month in North Bonneville, Washington, with an average temperature fluctuating between 51.8°F (11°C) and 34.3°F (1.3°C).Temperature
North Bonneville's transition into April is marked by a minor temperature shift, moving from a chilly 44.8°F (7.1°C) in March to a fresh 51.8°F (11°C). During the nights in April, North Bonneville experiences a consistent average temperature of 34.3°F (1.3°C).Humidity
In April, the average relative humidity is 82%.Rainfall
In North Bonneville, Washington, during April, the rain falls for 16.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 158.4 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:36 pm. On the last day of April, sunrise is at 5:55 am and sunset at 8:14 pm PDT.
Sunshine
The average sunshine in April is 6.1h.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 unsafe exposure to UV radiation for the ordinary person.Note: In April, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in April
North Bonneville, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
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).
Average humidity in April
North Bonneville, WA
- Average humidity in April: 82%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (67%).
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").
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).
Average snowfall in April
North Bonneville, WA
- Average snowfall in April: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are April, May, June, July, August, September and October (0").
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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
North Bonneville, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
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).
Average UV index in April
North Bonneville, WA
- Average UV index in April: 3
The 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).
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).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in April
North Bonneville, WA
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).





