Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a cool 50°F (10°C) in March to a moderate 55.9°F (13.3°C). Nighttime temperatures hover around an average low of 36.7°F (2.6°C) in April.Humidity
The average relative humidity in April is 83%.Rainfall
In Kelso, Washington, during April, the rain falls for 18.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Kelso, during the entire year, the rain falls for 175.5 days and collects up to 25.83" (656mm) of precipitation.Snowfall
In Kelso, snow does not fall in April through October.Daylight
In Kelso, the average length of the day in April is 13h and 36min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:40 pm. On the last day of April, sunrise is at 5:58 am and sunset at 8:19 pm PDT.
Sunshine
The average sunshine in April is 6.3h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Kelso have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Kelso have in April?
What is the UV index reading in April?
Average temperature in April
Kelso, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 36.7°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 (32.7°F).
Average pressure in April
Kelso, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Kelso, WA
- Average wind speed in April: 4.4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in April
Kelso, WA
- Average humidity in April: 83%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Kelso, WA
- Average rainfall in April: 2.28"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in April
Kelso, WA
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in April
Kelso, WA
- Average snowfall in April: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Kelso, WA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.2 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
Kelso, WA
- Average daylight in April: 13h and 4min
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 42min).
- Average sunshine in April: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days in April
Kelso, WA
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in April
Kelso, 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 November (UV index 1).
Average cloud cover in April
Kelso, WA
- Average cloud cover in April: 62
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in April
Kelso, WA
- Average visibility in April: 4mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
Kelso, Washington, USA
Weather forecast for your location
2. Allow the app to use your location