April weather forecastStevenson, WA
April
Weather in April
April is a fresh spring month in Stevenson, Washington, with an average temperature fluctuating between 34.3°F (1.3°C) and 51.4°F (10.8°C).Temperature
April's onset witnesses a minor shift in the average high-temperature, moving from a chilly 44.4°F (6.9°C) in March to a cool 51.4°F (10.8°C). In Stevenson, April is marked by an average low-temperature of 34.3°F (1.3°C).Humidity
In April, the average relative humidity is 81%.Rainfall
In Stevenson, Washington, during April, the rain falls for 18.8 days and regularly aggregates up to 3.54" (90mm) of precipitation. Throughout the year, in Stevenson, there are 181 rainfall days, and 43.15" (1096mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Stevenson. During 0.3 snowfall days, in April, Stevenson aggregates 0.04" (1mm) of snow. Throughout the year, there are 13.5 snowfall days, and 12.95" (329mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 34min.On the first day of the month, sunrise is at 6:45 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 6.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Always opt for UVA and UVB-resistant sunglasses on radiant days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Stevenson, WA
- Average high temperature in April: 51.4°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in April: 34.3°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).
Average pressure in April
Stevenson, 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
Stevenson, WA
- Average wind speed in April: 5.6mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in April
Stevenson, WA
- Average humidity in April: 81%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in April
Stevenson, WA
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is January (7.48").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Stevenson, WA
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (5 days).
Average snowfall in April
Stevenson, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Stevenson, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (4.4 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
Stevenson, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in April
Stevenson, WA
- Average sunshine days in April: 8.7 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in April
Stevenson, 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
Stevenson, WA
- Average cloud cover in April: 61
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in April
Stevenson, WA
- Average visibility in April: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
