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 changeover to April signals a significant increase in the average high-temperature, rising from 15.1°F (-9.4°C) in March to a still freezing cold 31.1°F (-0.5°C). In April, Koyukuk experiences a temperature dip to an average of 18°F (-7.8°C) at night.Humidity
The average relative humidity in April in Koyukuk is 94%.Rainfall
In Koyukuk, in April, during 10.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Koyukuk, during the entire year, the rain falls for 116.7 days and collects up to 14.8" (376mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Koyukuk, during April, snow falls for 15.9 days and regularly aggregates up to 4.72" (120mm) of snow. In Koyukuk, during the entire year, snow falls for 115.2 days and aggregates up to 43.07" (1094mm) of snow.Daylight
The average length of the day in April in Koyukuk is 15h and 19min.On the first day of April, sunrise is at 7:43 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 10:59 pm AKDT.
Sunshine
In April, the average sunshine in Koyukuk, Alaska, is 3.7h.UV index
In Koyukuk, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Koyukuk in April?
What is the average humidity in April in Koyukuk?
How much does it rain in Koyukuk in April?
How much does it snow in Koyukuk in April?
How many hours of daylight does Koyukuk have in April?
What time are sunrise and sunset in April in Koyukuk?
How long on average sun shines in April in Koyukuk?
What is the UV index reading in April in Koyukuk?
Average temperature in April
Koyukuk, AK
- Average high temperature in April: 31.1°F
The warmest month (with the highest average high temperature) is July (67.3°F).
The month with the lowest average high temperature is January (-0.8°F).
- Average low temperature in April: 18°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).
Average pressure in April
Koyukuk, AK
- Average pressure in April: 29.86"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The months with the lowest atmospheric pressure are September and October (29.76"Hg).
Average wind speed in April
Koyukuk, AK
- Average wind speed in April: 5.1mph
The windiest month (with the highest average wind speed) is September (5.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in April
Koyukuk, AK
- Average humidity in April: 94%
The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (59%).
Average rainfall in April
Koyukuk, AK
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in April
Koyukuk, AK
- Average rainfall days in April: 10.1 days
The month with the highest number of rainy days is August (19 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in April
Koyukuk, AK
- Average snowfall in April: 4.72"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Koyukuk, AK
- Average snowfall days in April: 15.9 days
The month with the highest number of snowfall days is March (20.3 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in April /
Average sunshine in April
Koyukuk, AK
- Average daylight in April: 15h and 2min
The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in April: 3h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in April
Koyukuk, AK
- Average sunshine days in April: 6.5 days
The month with the most sunshine days is January (18 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in April
Koyukuk, AK
- Average UV index in April: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in April
Koyukuk, AK
- Average cloud cover in April: 77
The month with the most cloud cover is April (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in April
Koyukuk, AK
- Average visibility in April: 2mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, February, March, April and December (2mi).
Koyukuk, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location
