April weather forecastAdak, AK

April
Weather in April
Arriving at April, the weather in Adak, Alaska, steps into spring, setting the snowfall aside, replaced with rainfall. April witnesses a considerable reduction in snowfall, dwindling from March’s 3.43" (87mm) to a mere 1.61" (41mm). The temperature starts to pick up slightly as we leave the chill of winter behind. The landscape exhibits significant changes, with trees starting to bloom and the grass reclaiming its green color. The relatively clear visibility makes it easier to appreciate the awakening nature.Temperature
The beginning of April records an average high-temperature of a still icy 38.7°F (3.7°C), almost echoing the conditions of the previous month. Adak indicates a consistently low-temperature of 35.6°F (2°C) during the nights of April.Humidity
The average relative humidity in April in Adak is 81%.Rainfall
In Adak, during April, the rain falls for 11.9 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Adak, during the entire year, the rain falls for 173.3 days and collects up to 27.4" (696mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Adak, in April, during 7.8 snowfall days, 1.61" (41mm) of snow is typically accumulated. In Adak, during the entire year, snow falls for 53.7 days and aggregates up to 16.3" (414mm) of snow.Daylight
In April, the average length of the day is 13h and 57min.On the first day of April, sunrise is at 8:18 am and sunset at 9:21 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 10:10 pm HDT.
Sunshine
In Adak, the average sunshine in April is 3.6h.UV index
The months with the lowest UV index are January through April and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 1 in April leads to these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Adak, AK
- Average high temperature in April: 38.7°F
The warmest month (with the highest average high temperature) is August (52°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 35.6°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (33.8°F).
Average pressure in April
Adak, AK
- Average pressure in April: 29.73"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is January (29.48"Hg).
Average wind speed in April
Adak, AK
- Average wind speed in April: 17.8mph
The windiest month (with the highest average wind speed) is February (21.2mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).
Average humidity in April
Adak, AK
- Average humidity in April: 81%
The month with the highest relative humidity is July (94%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in April
Adak, AK
- Average rainfall in April: 1.73"
The wettest month (with the highest rainfall) is February (2.8").
The driest month (with the least rainfall) is June (1.3").
Average rainfall days in April
Adak, AK
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
Adak, AK
- Average snowfall in April: 1.61"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Adak, AK
- Average snowfall days in April: 7.8 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Adak, AK
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 3h and 36min
The month with the most sunshine is October (Average sunshine: 5h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in April
Adak, AK
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is June (12.8 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in April
Adak, AK
- Average UV index in April: 1
The months with the highest UV index are July, August and September (UV index 3).
The months with the lowest UV index are January, February, March, April and December (UV index 1).
Average cloud cover in April
Adak, AK
- Average cloud cover in April: 75
The month with the most cloud cover is July (Cloud cover 85).
The month with the least cloud cover is October (Cloud cover 63).
Average visibility in April
Adak, AK
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August and December (5mi).





