April weather forecastOakville, WA
April
Weather in April
April in Oakville, Washington, is a refreshing spring month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 56.7°F (13.7°C).Temperature
April's onset brings a subtle temperature rise, moving from a fresh 50.5°F (10.3°C) in March to a moderate 56.7°F (13.7°C). During the month of April, an average temperature of 37.4°F (3°C) is noted during the nights in Oakville.Humidity
In April, the average relative humidity in Oakville is 83%.Rainfall
In April, in Oakville, Washington, the rain falls for 17.6 days. Throughout April, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 168 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 38min.On the first day of April, sunrise is at 6:50 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:22 pm PDT.
Sunshine
The average sunshine in April is 6.8h.UV index
In April, the average daily maximum UV index in Oakville is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in April translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Oakville, WA
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 37.4°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in April
Oakville, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in April
Oakville, WA
- Average wind speed in April: 4.4mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in April
Oakville, WA
- Average humidity in April: 83%
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Oakville, WA
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Oakville, WA
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in April
Oakville, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Oakville, WA
- Average snowfall days in April: 0.1 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
Oakville, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 6h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in April
Oakville, WA
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in April
Oakville, WA
- Average UV index in April: 3
The months with the highest UV index are June and 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
Oakville, WA
- Average cloud cover in April: 59
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in April
Oakville, WA
- Average visibility in April: 4mi
The month with the highest visibility is July (5mi).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (4mi).
