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
April's arrival brings a modest temperature shift, moving from a frosty 48.6°F (9.2°C) in March to a moderate 57.4°F (14.1°C). An average low-temperature of 38.7°F (3.7°C) marks the month of April in Selah.Humidity
In April, the average relative humidity in Selah is 59%.Rainfall
In Selah, in April, it is raining for 9 days, with typically 0.35" (9mm) of accumulated precipitation. In Selah, Washington, during the entire year, the rain falls for 87.6 days and collects up to 5.94" (151mm) of precipitation.Snowfall
Months with snowfall in Selah are January through April, September, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Selah aggregates 0.04" (1mm) of snow. Throughout the year, there are 19.9 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
The average length of the day in April in Selah is 13h and 37min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of April, in Selah, Washington, sunrise is at 5:47 am and sunset at 8:11 pm PDT.
Sunshine
The average sunshine in April in Selah is 11h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 4 in April transforms into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in April in Selah?
What is the average humidity in April in Selah?
How many days does it rain in April in Selah?
What is the last month it snows in Selah?
How many hours of daylight does Selah have in April?
When is the sunrise / sunset in April in Selah?
How long on average sun shines in April in Selah?
How high is the UV index in April in Selah?
Average temperature in April
Selah, WA
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in April
Selah, 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
Selah, WA
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in April
Selah, WA
- Average humidity in April: 59%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in April
Selah, WA
- Average rainfall in April: 0.35"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Selah, WA
- Average rainfall days in April: 9 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in April
Selah, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in April
Selah, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is December (5.7 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
Selah, WA
- Average daylight in April: 13h and 4min
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 30min).
Average sunshine days in April
Selah, WA
- Average sunshine days in April: 18.5 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in April
Selah, 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
Selah, 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
Selah, 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).
Selah, Washington, USA
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