April weather forecastWishram Heights, WA
April
Weather in April
April is a moderate spring month in Wishram Heights, Washington, with an average temperature varying between 38.5°F (3.6°C) and 57.4°F (14.1°C).Temperature
The beginning of April marks a minor shift in the average high-temperature, moving from March's frosty 49.1°F (9.5°C) to a refreshing 57.4°F (14.1°C). In April, Wishram Heights records an average nighttime temperature of 38.5°F (3.6°C).Humidity
In Wishram Heights, the average relative humidity in April is 66%.Rainfall
In Wishram Heights, in April, during 11.4 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Wishram Heights, during the entire year, the rain falls for 112.2 days and collects up to 10.91" (277mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Wishram Heights, the average length of the day in April is 13h and 34min.On the first day of April, sunrise is at 6:42 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:10 pm PDT.
Sunshine
In Wishram Heights, the average sunshine in April is 10.1h.UV index
In Wishram Heights, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Wishram Heights, WA
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in April: 38.5°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in April
Wishram Heights, WA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in April
Wishram Heights, WA
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).
Average humidity in April
Wishram Heights, WA
- Average humidity in April: 66%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).
Average rainfall in April
Wishram Heights, WA
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in April
Wishram Heights, WA
- Average rainfall days in April: 11.4 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).
Average snowfall in April
Wishram Heights, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Wishram Heights, WA
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are February and December (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Wishram Heights, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 10h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in April
Wishram Heights, WA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in April
Wishram Heights, WA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Wishram Heights, WA
- Average cloud cover in April: 34
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in April
Wishram Heights, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





