January weather forecast
Willow, AK

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Weather in January

January, the same as December, in Willow, Alaska, is another subzero cold winter month, with an average temperature fluctuating between 8.6°F (-13°C) and 17.8°F (-7.9°C).

Temperature

In Willow, January is the coldest month, with temperatures averaging a high of 17.8°F (-7.9°C) and a low of 8.6°F (-13°C).

Humidity

In Willow, the average relative humidity in January is 87%.

Rainfall

In Willow, during January, the rain falls for 7.3 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, in Willow, Alaska, there are 134.1 rainfall days, and 13.86" (352mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In January, in Willow, it is snowing for 9.9 days. Throughout January, 3.11" (79mm) of snow is accumulated. Throughout the year, in Willow, there are 56.9 snowfall days, and 26.54" (674mm) of snow is accumulated.

Daylight

In January, the average length of the day is 6h and 25min.
On the first day of January, sunrise is at 10:19 am and sunset at 3:47 pm. On the last day of the month, sunrise is at 9:26 am and sunset at 5:00 pm AKST.

Sunshine

In January, the average sunshine is 4h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 1 during January leads to these advisories:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest time of year in Willow?

January stands out as Willow's coldest month, with an average high-temperature of 17.8°F (-7.9°C) and a low-temperature of 8.6°F (-13°C).

How cold is January in Willow?

The average high-temperature, in January, in Willow, is 17.8°F (-7.9°C), while the average low-temperature is 8.6°F (-13°C).

What is the average humidity in January in Willow?

The average relative humidity in January in Willow, Alaska, is 87%.

How much does it rain in Willow in January?

In Willow, during January, the rain falls for 7.3 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How many days does it snow in January in Willow?

In Willow, Alaska, in January, snow falls for 9.9 days, with typically accumulated 3.11" (79mm) of snow.

What is the average length of the day in January in Willow?

In Willow, Alaska, the average day length in January is 6h and 25min.

When is the sunrise / sunset in January in Willow?

On the first day of January in Willow, sunrise is at 10:19 am and sunset at 3:47 pm. On the last day of the month, sunrise is at 9:26 am and sunset at 5:00 pm AKST.

How long on average sun shines in January in Willow?

The average sunshine duration in January in Willow is 4h.

What is the month with the lowest UV index in Willow?

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Willow, Alaska.

How high is the UV index in January in Willow?

In January, the average daily maximum UV index in Willow is 1. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Willow, AK

Average temperature in January - Willow, AK
  • Average high temperature in January: 17.8°F

The warmest month (with the highest average high temperature) is July (67.6°F).
The month with the lowest average high temperature is January (17.8°F).

  • Average low temperature in January: 8.6°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

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Average pressure in January
Willow, AK

Average pressure in January - Willow, AK
  • Average pressure in January: 29.73"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).

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Average wind speed in January
Willow, AK

Average wind speed in January - Willow, AK
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is November (5.1mph).
The calmest month (with the lowest average wind speed) is April (4.3mph).

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Average humidity in January
Willow, AK

Average humidity in January - Willow, AK
  • Average humidity in January: 87%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is May (61%).

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Average rainfall in January
Willow, AK

Average rainfall in January - Willow, AK
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is September (2.13").
The driest month (with the least rainfall) is April (0.63").

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Average rainfall days in January
Willow, AK

Average rainfall days in January - Willow, AK
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in January
Willow, AK

Average snowfall in January - Willow, AK
  • Average snowfall in January: 3.11"

The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Willow, AK

Average snowfall days in January - Willow, AK
  • Average snowfall days in January: 9.9 days

The month with the highest number of snowfall days is December (11.4 days).
The 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
Willow, AK

Average daylight in January / Average sunshine in January - Willow, AK
  • Average daylight in January: 6h and 2min

The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is May (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

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Average sunshine days in January
Willow, AK

Average sunshine days in January - Willow, AK
  • Average sunshine days in January: 17.1 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is August (9.7 days).

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Average UV index in January
Willow, AK

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

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 and December (UV index 1).

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Average cloud cover in January
Willow, AK

Average cloud cover in January - Willow, AK
  • Average cloud cover in January: 40

The months with the most cloud cover are April and August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 40).

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Average visibility in January
Willow, AK

Average visibility in January - Willow, AK
  • Average visibility in January: 5mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).

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Willow, Alaska, USA

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