January weather forecast and climate
Koyuk, AK

Weather in January

January, the same as December, is another frigid cold winter month in Koyuk, Alaska, with average temperature ranging between min 1.8°F (-16.8°C) and max 9.1°F (-12.7°C).

Temperature

With an average high-temperature of 9.1°F (-12.7°C) and an average low-temperature of 1.8°F (-16.8°C), January is the coldest month.

Humidity

In January, the average relative humidity in Koyuk is 91%.

Rainfall

The month with the least rainfall in Koyuk is January when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Koyuk, Alaska, during January, snow falls for 13.2 days and regularly aggregates up to 3.5" (89mm) of snow. In Koyuk, during the entire year, snow falls for 94.3 days, and aggregates up to 27.2" (691mm) of snow.

Daylight

In January, the average length of the day in Koyuk is 5.3h.

Sunshine

The average sunshine in Koyuk is 3.1h.

UV index

Months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 coldest month in Koyuk?

The coldest month in Koyuk is January, with an average high-temperature of 9.1°F (-12.7°C) and an average low-temperature of 1.8°F (-16.8°C).

What is the temperature in January in Koyuk?

The average high-temperature, in January, in Koyuk, is 9.1°F (-12.7°C), while the average low-temperature is 1.8°F (-16.8°C).

What is the average humidity in January in Koyuk?

In January, the average relative humidity is 91%.

How much does it rain in Koyuk in January?

In January, the rain falls for 2.7 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

What is the driest month in Koyuk?

The month with the least rainfall in Koyuk is January when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

How many days does it snow in January in Koyuk?

In Koyuk, in January, snow falls for 13.2 days, with typically accumulated 3.5" (89mm) of snow.

How many hours of daylight does Koyuk have in January?

In Koyuk, the average length of the day in January is 5.3h.

How long on average sun shines in January in Koyuk?

In January, the average sunshine is 3.1h.

When is the lowest UV index in Koyuk?

Months with the lowest UV index in Koyuk, Alaska, are January through March and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Koyuk?

The average daily maximum UV index in January in Koyuk is 1. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in January
Koyuk, AK

Average temperature in January - Koyuk, AK
  • Average high temperature in January: 9.1°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 January: 1.8°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 January
Koyuk, AK

Average pressure in January - Koyuk, AK
  • Average pressure in January: 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 January
Koyuk, AK

Average wind speed in January - Koyuk, AK
  • Average wind speed in January: 8.4mph

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 January
Koyuk, AK

Average humidity in January - Koyuk, AK
  • Average humidity in January: 91%

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 January
Koyuk, AK

Average rainfall in January - Koyuk, AK
  • Average rainfall in January: 0.55"

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 January
Koyuk, AK

Average rainfall days in January - Koyuk, AK
  • Average rainfall days in January: 2.7 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 January
Koyuk, AK

Average snowfall in January - Koyuk, AK
  • Average snowfall in January: 3.5"

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 January
Koyuk, AK

Average snowfall days in January - Koyuk, AK
  • Average snowfall days in January: 13.2 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 January /
Average sunshine in January
Koyuk, AK

Average daylight in January / Average sunshine in January - Koyuk, AK
  • Average daylight in January: 5.3h

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 January: 3.1h

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 January
Koyuk, AK

Average sunshine days in January - Koyuk, AK
  • Average sunshine days in January: 18.3 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 January
Koyuk, AK

Average UV index in January - Koyuk, AK
  • Average UV index in January: 1

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 January
Koyuk, AK

Average cloud cover in January - Koyuk, AK
  • Average cloud cover in January: 53

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 January
Koyuk, AK

Average visibility in January - Koyuk, AK
  • Average visibility in January: 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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