April weather forecastKoyuk, AK
April
Weather in April
April, like March, is a freezing cold spring month in Koyuk, Alaska, with an average temperature varying between 20.7°F (-6.3°C) and 31.5°F (-0.3°C).Temperature
As Koyuk, Alaska, transitions into April, the average high-temperature is observed to rise from 18.9°F (-7.3°C) in March to a still subzero cold 31.5°F (-0.3°C). Koyuk records a consistent low-temperature of 20.7°F (-6.3°C) during April nights.Humidity
The average relative humidity in April is 89%.Rainfall
In Koyuk, during April, the rain falls for 7.5 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Koyuk, during the entire year, the rain falls for 118.6 days and collects up to 13.39" (340mm) of precipitation.Snowfall
Months with snowfall in Koyuk are January through May, September through December. In Koyuk, in April, snow falls for 12.5 days, with typically accumulated 3.74" (95mm) of snow. In Koyuk, during the entire year, snow falls for 94.3 days and aggregates up to 27.2" (691mm) of snow.Daylight
The average length of the day in April is 15h and 19min.On the first day of April, sunrise is at 7:56 am and sunset at 9:39 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 11:13 pm AKDT.
Sunshine
In April, the average sunshine is 6.1h.UV index
In April, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 2 suggests these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Koyuk, AK
- Average high temperature in April: 31.5°F
The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (9.1°F).
- Average low temperature in April: 20.7°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in April
Koyuk, AK
- Average pressure in April: 29.85"Hg
The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in April
Koyuk, AK
- Average wind speed in April: 7.2mph
The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).
Average humidity in April
Koyuk, AK
- Average humidity in April: 89%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in April
Koyuk, AK
- Average rainfall in April: 0.94"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Koyuk, AK
- Average rainfall days in April: 7.5 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in April
Koyuk, AK
- Average snowfall in April: 3.74"
The month with the highest snowfall is November (4.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Koyuk, AK
- Average snowfall days in April: 12.5 days
The month with the highest number of snowfall days is March (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Koyuk, AK
- Average daylight in April: 15h and 18min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in April: 6h and 6min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 2h and 54min).
Average sunshine days in April
Koyuk, AK
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in April
Koyuk, AK
- Average UV index in April: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in April
Koyuk, AK
- Average cloud cover in April: 61
The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 50).
Average visibility in April
Koyuk, AK
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
