January weather forecast
Napakiak, AK

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Weather in January

January, like December, in Napakiak, Alaska, is another frigid cold winter month, with an average temperature ranging between max 12.2°F (-11°C) and min 3.7°F (-15.7°C).

Temperature

January, characterized by an average high temperature of 12.2°F (-11°C) and a low temperature of 3.7°F (-15.7°C), is generally the coldest month.

Humidity

January through March, with an average relative humidity of 91%, are the most humid months.

Rainfall

The months with the least rainfall are January and April Rain falls for 5.5 days and accumulates 0.91" (23mm) of rain.

Snowfall

January through May, September through December are months with snowfall. In Napakiak, in January, snow falls for 11.1 days, with typically accumulated 3.66" (93mm) of snow. In Napakiak, during the entire year, snow falls for 74.8 days and aggregates up to 22.91" (582mm) of snow.

Daylight

In Napakiak, the average length of the day in January is 6h and 43min.
On the first day of the month, sunrise is at 10:56 am and sunset at 4:46 pm. On the last day of January, sunrise is at 10:07 am and sunset at 5:54 pm AKST.

Sunshine

In Napakiak, the average sunshine in January is 3h.

UV index

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

What time of the year is the coldest?

Napakiak experiences its average lowest temperatures in January, reaching a peak of 12.2°F (-11°C) and a minimum of 3.7°F (-15.7°C).

How cold is it in January?

In January, in Napakiak, the average high-temperature is 12.2°F (-11°C), and the average low-temperature is 3.7°F (-15.7°C).

What are the most humid months?

January through March, with an average relative humidity of 91%, are most humid months.

What is the average humidity in January?

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

What is the driest month?

The months with the least rainfall are January and April Rain falls for 5.5 days and accumulates 0.91" (23mm) of rain.

How many days does it rain in January?

In Napakiak, in January, during 5.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Napakiak, in January, snow falls for 11.1 days, with typically accumulated 3.66" (93mm) of snow.

What is the average length of the day in January?

The average day length in January is 6h and 43min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 10:56 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 10:07 am and sunset at 5:54 pm AKST.

How long on average sun shines in January?

The average sunshine duration in January is 3h.

What is the UV index reading in January?

In Napakiak, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Napakiak, AK

Average temperature in January - Napakiak, AK
  • Average high temperature in January: 12.2°F

The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (12.2°F).

  • Average low temperature in January: 3.7°F

The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).

Average pressure in January
Napakiak, AK

Average pressure in January - Napakiak, AK
  • Average pressure in January: 29.71"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

Average wind speed in January
Napakiak, AK

Average wind speed in January - Napakiak, AK
  • Average wind speed in January: 12.7mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in January
Napakiak, AK

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

The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is June (65%).

Average rainfall in January
Napakiak, AK

Average rainfall in January - Napakiak, AK
  • Average rainfall in January: 0.91"

The wettest month (with the highest rainfall) is August (2.09").
The driest months (with the least rainfall) are January and April (0.91").

Average rainfall days in January
Napakiak, AK

Average rainfall days in January - Napakiak, AK
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is March (4.4 days).

Average snowfall in January
Napakiak, AK

Average snowfall in January - Napakiak, AK
  • Average snowfall in January: 3.66"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Napakiak, AK

Average snowfall days in January - Napakiak, AK
  • Average snowfall days in January: 11.1 days

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Napakiak, AK

Average daylight in January / Average sunshine in January - Napakiak, AK
  • Average daylight in January: 6h and 4min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in January: 3h and 0min

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 42min).

Average sunshine days in January
Napakiak, AK

Average sunshine days in January - Napakiak, AK
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (8.6 days).

Average UV index in January
Napakiak, AK

Average UV index in January - Napakiak, AK
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, March and December (UV index 1).

Average cloud cover in January
Napakiak, AK

Average cloud cover in January - Napakiak, AK
  • Average cloud cover in January: 55

The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).

Average visibility in January
Napakiak, AK

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

The months with the highest visibility are May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January, February, March, April and November (5mi).

Napakiak, Alaska, USA

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