April weather forecastChattaroy, WA
April
Weather in April
April is a cool spring month in Chattaroy, Washington, with an average temperature varying between 33.6°F (0.9°C) and 54.7°F (12.6°C).Temperature
An increase in the average high-temperature marks April, moving from March's frosty 44.8°F (7.1°C) to a cool 54.7°F (12.6°C). An average low-temperature of 33.6°F (0.9°C) is recorded during the nights in April.Humidity
In April, the average relative humidity in Chattaroy is 71%.Rainfall
In Chattaroy, during April, the rain falls for 15.4 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Chattaroy, during the entire year, the rain falls for 124.9 days and collects up to 17.44" (443mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 2.8 days. Throughout April, 1.02" (26mm) of snow is accumulated. In Chattaroy, during the entire year, snow falls for 69.2 days and aggregates up to 42.99" (1092mm) of snow.Daylight
In Chattaroy, the average length of the day in April is 13h and 41min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:31 am and sunset at 8:01 pm PDT.
Sunshine
The average sunshine in April is 8.9h.UV index
In Chattaroy, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Chattaroy, WA
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in April: 33.6°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in April
Chattaroy, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in April
Chattaroy, WA
- Average wind speed in April: 5.6mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in April
Chattaroy, WA
- Average humidity in April: 71%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).
Average rainfall in April
Chattaroy, WA
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in April
Chattaroy, WA
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in April
Chattaroy, WA
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Chattaroy, WA
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Chattaroy, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Chattaroy, WA
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in April
Chattaroy, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in April
Chattaroy, WA
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Chattaroy, WA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





