April weather forecastDuvall, WA
April
Weather in April
April in Duvall, Washington, is a fresh spring month, with an average temperature ranging between min 37°F (2.8°C) and max 54.7°F (12.6°C).Temperature
As April arrives, Duvall's weather shows a minor increase in high-temperatures, edging from March's frosty 48.7°F (9.3°C) to a fresh 54.7°F (12.6°C). April is noted for a mean low-temperature of 37°F (2.8°C).Humidity
In April, the average relative humidity is 81%.Rainfall
In April, the rain falls for 14.6 days. Throughout April, 1.38" (35mm) of precipitation is accumulated. In Duvall, Washington, during the entire year, the rain falls for 137.3 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.4 snowfall days, in April, Duvall aggregates 0.08" (2mm) of snow. Throughout the year, there are 8.4 snowfall days, and 3.5" (89mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 41min.On the first day of April, sunrise is at 6:44 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:19 pm PDT.
Sunshine
In Duvall, the average sunshine in April is 7.6h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Duvall, WA
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (41.4°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in April
Duvall, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Duvall, WA
- Average wind speed in April: 4mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in April
Duvall, WA
- Average humidity in April: 81%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall in April
Duvall, WA
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is December (2.6").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in April
Duvall, WA
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in April
Duvall, WA
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Duvall, WA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (2.7 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
Duvall, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in April
Duvall, WA
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in April
Duvall, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Duvall, WA
- Average cloud cover in April: 54
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Duvall, WA
- Average visibility in April: 4mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).





