April weather forecast and climate
Koyuk, AK

Weather in April

April, the same as March, in Koyuk, Alaska, is a freezing cold spring month, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 20.7°F (-6.3°C).

Temperature

In April, the average high-temperature rises, from a freezing cold 18.9°F (-7.3°C) in March, to a still subzero cold 31.5°F (-0.3°C). The average low-temperature, in Koyuk, is 20.7°F (-6.3°C).

Humidity

In Koyuk, the average relative humidity in April is 89%.

Rainfall

In Koyuk, Alaska, in April, it is raining for 7.5 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 118.6 rainfall days, and 13.39" (340mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Koyuk, Alaska, during 12.5 snowfall days, 3.74" (95mm) of snow is typically accumulated. Throughout the year, there are 94.3 snowfall days, and 27.2" (691mm) of snow is accumulated.

Daylight

In Koyuk, the average length of the day is 15.3h.

Sunshine

In April, the average sunshine is 6.1h.

UV index

In April, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in April interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Koyuk?

The average high-temperature, in April, is 31.5°F (-0.3°C), while the average low-temperature is 20.7°F (-6.3°C).

What is the average humidity in April in Koyuk?

In Koyuk, Alaska, the average relative humidity in April is 89%.

How much does it rain in Koyuk in April?

In April, in Koyuk, Alaska, the rain falls for 7.5 days. Throughout April, 0.94" (24mm) of precipitation is accumulated.

How much does it snow in Koyuk in April?

In Koyuk, Alaska, in April, snow falls for 12.5 days, with typically accumulated 3.74" (95mm) of snow.

How many hours of daylight does Koyuk have in April?

The average length of the day in April in Koyuk, Alaska, is 15.3h.

How long on average sun shines in April in Koyuk?

In Koyuk, Alaska, the average sunshine in April is 6.1h.

What is the UV index intensity in April in Koyuk?

In Koyuk, Alaska, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in April
Koyuk, AK

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).

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Average pressure in April
Koyuk, AK

Average pressure in April - Koyuk, AK
  • Average pressure in April: 29.85"

The month with the highest atmospheric pressure is May (29.92").
The month with the lowest atmospheric pressure is October (29.72").

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Average wind speed in April
Koyuk, AK

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).

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Average humidity in April
Koyuk, AK

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%).

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Average rainfall in April
Koyuk, AK

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").

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Average rainfall days in April
Koyuk, AK

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).

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Average snowfall in April
Koyuk, AK

Average snowfall in April - Koyuk, AK
  • Average snowfall in April: 3.74"

The month with the highest snowfall is November (4.76").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Koyuk, AK

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).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
Koyuk, AK

Average daylight in April / Average sunshine in April - Koyuk, AK
  • Average daylight in April: 15.3h

The month with the longest days is June (Average daylight: 21.6h).
The month with the shortest days is December (Average daylight: 3.9h).

  • Average sunshine in April: 6.1h

The month with the most sunshine is May (Average sunshine: 8.3h).
The month with the least sunshine is June (Average sunshine: 2.9h).

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Average sunshine days in April
Koyuk, AK

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).

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Average UV index in April
Koyuk, AK

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).
Months with the lowest UV index are January, February, March and December (UV index 1).

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Average cloud cover in April
Koyuk, AK

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).

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Average visibility in April
Koyuk, AK

Average visibility in April - Koyuk, AK
  • Average visibility in April: 4mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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