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
Observing a rise in April, the average high-temperature goes from March's 18.9°F (-7.3°C) to a still subzero cold 31.5°F (-0.3°C). Koyuk in April anticipates an average nighttime temperature of 20.7°F (-6.3°C).Humidity
In Koyuk, the average relative humidity in April is 89%.Rainfall
In Koyuk, Alaska, in April, during 7.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Koyuk, during the entire year, the rain falls for 118.6 days and collects up to 13.39" (340mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Koyuk, during April, snow falls for 12.5 days and regularly aggregates up to 3.74" (95mm) of snow. Throughout the year, in Koyuk, there are 94.3 snowfall days, and 27.2" (691mm) of snow is accumulated.Daylight
The average length of the day in April is 15h and 19min.On the first day of the month, sunrise is at 7:56 am and sunset at 9:39 pm. On the last day of April, sunrise is at 6:09 am and sunset at 11:13 pm AKDT.
Sunshine
In Koyuk, the average sunshine in April is 6.1h.UV index
In April, the average daily maximum UV index in Koyuk is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during April translates into the following guidance:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Koyuk in April?
What is the average humidity in April in Koyuk?
How much does it rain in Koyuk in April?
How many days does it snow in April in Koyuk?
How many hours of daylight does Koyuk have in April?
When are sunrise and sunset in April in Koyuk?
How long on average sun shines in April in Koyuk?
What is the UV index reading in April in Koyuk?
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 2min
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 1min
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).
Koyuk, Alaska, USA
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