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
Chelan sees an increase in the average high-temperature with the arrival of April, moving from March's chilly 43.2°F (6.2°C) to a cool 54.3°F (12.4°C). Throughout April, the average low-temperature in Chelan, Washington, dips to an icy 34.9°F (1.6°C).Humidity
In Chelan, Washington, the average relative humidity in April is 64%.Rainfall
In Chelan, during April, the rain falls for 10.4 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Chelan, Washington, there are 99.9 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. April is the last month it regularly snows in Chelan. During 1.2 snowfall days, in April, Chelan aggregates 0.51" (13mm) of snow. Throughout the year, in Chelan, Washington, there are 48.7 snowfall days, and 28.62" (727mm) of snow is accumulated.Daylight
The average length of the day in April in Chelan is 13h and 41min.On the first day of April, sunrise is at 6:36 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:12 pm PDT.
Sunshine
In April, the average sunshine in Chelan, Washington, is 10.3h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Chelan in April?
What is the average humidity in April in Chelan?
How many days does it rain in April in Chelan?
What is the last month it snows in Chelan?
How many hours of daylight does Chelan have in April?
When are sunrise and sunset in April in Chelan?
How long on average sun shines in April in Chelan?
What is the UV index intensity in April in Chelan?
Average temperature in April
Chelan, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).
Average pressure in April
Chelan, WA
- Average pressure in April: 30"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
Chelan, WA
- Average wind speed in April: 5.7mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in April
Chelan, WA
- Average humidity in April: 64%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in April
Chelan, WA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Chelan, WA
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in April
Chelan, WA
- Average snowfall in April: 0.51"
The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Chelan, WA
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Chelan, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 10h and 2min
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: 4h and 6min).
Average sunshine days in April
Chelan, WA
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in April
Chelan, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Chelan, WA
- Average cloud cover in April: 32
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in April
Chelan, WA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Chelan, Washington, USA
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