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
The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a cool 50°F (10°C) to a mild 55.9°F (13.3°C). Kelso, during the month of April, experiences an average low-temperature of 36.7°F (2.6°C).Humidity
In Kelso, the average relative humidity in April is 83%.Rainfall
In Kelso, in April, during 18.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, in Kelso, there are 175.5 rainfall days, and 25.83" (656mm) of precipitation is accumulated.Snowfall
In Kelso, Washington, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 36min.On the first day of April in Kelso, Washington, sunrise is at 6:49 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:19 pm PDT.
Sunshine
In April, the average sunshine in Kelso is 6.3h.UV index
In Kelso, 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 unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 3 in April translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the usual temperature for Kelso in April?
What is the average humidity in April in Kelso?
How much does it rain in Kelso in April?
When it does not snow in Kelso?
Does it snow in Kelso in April?
What is the average length of the day in April in Kelso?
When is the sunrise / sunset in April in Kelso?
How many hours of sunshine does Kelso have in April?
What is the UV index intensity in April in Kelso?
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
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