April weather forecastYakima, WA

April
Weather in April
April is a refreshing spring month in Yakima, Washington, with an average temperature varying between 40.1°F (4.5°C) and 59.2°F (15.1°C).Temperature
The arrival of April sees a shift in the average high-temperature, moving from a chilly 49.5°F (9.7°C) in March to a refreshing 59.2°F (15.1°C). Yakima's temperature in April lowers to a consistent average of 40.1°F (4.5°C) during the nights.Humidity
In April, the average relative humidity is 57%.Rainfall
In Yakima, in April, during 7.8 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, there are 82.2 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Snowfall
April through August and October are months without snowfall.Daylight
In April, the average length of the day is 13h and 37min.On the first day of April, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:10 pm PDT.
Sunshine
In Yakima, the average sunshine in April is 11h.UV index
In Yakima, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Yakima, WA
- Average high temperature in April: 59.2°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in April
Yakima, WA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in April
Yakima, WA
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in April
Yakima, WA
- Average humidity in April: 57%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in April
Yakima, WA
- Average rainfall in April: 0.31"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Yakima, WA
- Average rainfall days in April: 7.8 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall in April
Yakima, WA
- Average snowfall in April: 0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in April
Yakima, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Yakima, 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: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in April
Yakima, WA
- Average sunshine days in April: 18.8 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in April
Yakima, WA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Yakima, WA
- Average cloud cover in April: 27
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in April
Yakima, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





