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 onset of April introduces a subtle rise in the average high-temperature, nudging from a frosty 48.4°F (9.1°C) in March to a fresh 54.1°F (12.3°C). An average low-temperature of 41.9°F (5.5°C) is noted during the month of April.Humidity
In April, the average relative humidity in Custer is 79%.Rainfall
In April, the rain falls for 17.1 days. Throughout April, 3.35" (85mm) of precipitation is accumulated. In Custer, Washington, during the entire year, the rain falls for 176.1 days and collects up to 43.78" (1112mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Custer, Washington. During 0.3 snowfall days, in April, Custer aggregates 0.08" (2mm) of snow. Throughout the year, in Custer, there are 10.5 snowfall days, and 6.77" (172mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 45min.On the first day of April in Custer, sunrise is at 6:46 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:25 pm PDT.
Sunshine
In April, the average sunshine in Custer is 8h.UV index
In Custer, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Custer in April?
What is the average humidity in April in Custer?
How much does it rain in Custer in April?
What is the last month it snows in Custer?
How many hours of daylight does Custer have in April?
When are sunrise and sunset in April in Custer?
How long on average sun shines in April in Custer?
How high is the UV index in April in Custer?
Average temperature in April
Custer, WA
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in April: 41.9°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (35.8°F).
Average pressure in April
Custer, WA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in April
Custer, WA
- Average wind speed in April: 5.5mph
The windiest months (with the highest average wind speed) are November and December (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in April
Custer, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is July (74%).
Average rainfall in April
Custer, WA
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is November (7.13").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in April
Custer, WA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Custer, WA
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Custer, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Custer, WA
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in April: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in April
Custer, WA
- Average sunshine days in April: 10.9 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in April
Custer, WA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Custer, WA
- Average cloud cover in April: 49
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Custer, WA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Custer, Washington, USA
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