January weather forecast
Saint Mary's, AK

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Weather in January

January, the same as December, is another frigid cold winter month in Saint Mary's, Alaska, with temperature in the range of an average high of 11.3°F and an average low of 2.3°F.

Temperature

January, characterized by an average high temperature of 11.3°F and a low temperature of 2.3°F, is generally the coldest month.

Humidity

The months with the highest humidity in Saint Mary's are January through March and December, with an average relative humidity of 91%.

Rainfall

The months with the least rainfall are January and June Rain falls for 2.4 days and accumulates 0.87" of rain.

Snowfall

January through May, September through December are months with snowfall. In Saint Mary's, Alaska, in January, snow falls for 10.1 days, with typically accumulated 2.72" of snow. In Saint Mary's, during the entire year, snow falls for 71.4 days and aggregates up to 22.72" of snow.

Daylight

In Saint Mary's, the average length of the day in January is 6h and 20min.
On the first day of January, sunrise is at 11:15 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 10:20 am and sunset at 5:52 pm AKST.

Sunshine

In January, the average sunshine in Saint Mary's, Alaska, is 2.9h.

UV index

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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FAQ

What part of the year is the coldest in Saint Mary's?

In Saint Mary's, January is the coldest month, with temperatures averaging a high of 11.3°F and a low of 2.3°F.

How cold is it in Saint Mary's in January?

An average high-temperature, in January, in Saint Mary's, is 11.3°F and the average low-temperature is 2.3°F.

What are the most humid months in Saint Mary's?

The months with the highest humidity in Saint Mary's, Alaska, are January through March and December, with an average relative humidity of 91%.

What is the average humidity in January in Saint Mary's?

In January, the average relative humidity is 91%.

What is the driest month in Saint Mary's?

January and June are months with the least rain in Saint Mary's when the rain falls for 2.4 days and typically aggregates up to 0.87" of rain.

How much does it rain in Saint Mary's in January?

In January, in Saint Mary's, Alaska, the rain falls for 2.4 days. Throughout January, 0.87" of precipitation is accumulated.

How many days does it snow in January in Saint Mary's?

In January, it is snowing for 10.1 days. Throughout January, 2.72" of snow is accumulated.

What is the average length of the day in January in Saint Mary's?

In Saint Mary's, the average day length in January is 6h and 20min.

When is the sunrise / sunset in January in Saint Mary's?

On the first day of January in Saint Mary's, sunrise is at 11:15 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 10:20 am and sunset at 5:52 pm AKST.

How many hours of sunshine does Saint Mary's have in January?

In Saint Mary's, Alaska, the average sunshine duration in January is 2.9h.

What is the UV index reading in January in Saint Mary's?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Saint Mary's, AK

Average temperature in January - Saint Mary
  • Average high temperature in January: 11.3°F

The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).

  • Average low temperature in January: 2.3°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).

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Average pressure in January
Saint Mary's, AK

Average pressure in January - Saint Mary
  • Average pressure in January: 29.75"Hg

The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).

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Average wind speed in January
Saint Mary's, AK

Average wind speed in January - Saint Mary
  • Average wind speed in January: 11.5mph

The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity in January
Saint Mary's, AK

Average humidity in January - Saint Mary
  • Average humidity in January: 91%

The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).

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Average rainfall in January
Saint Mary's, AK

Average rainfall in January - Saint Mary
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").

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Average rainfall days in January
Saint Mary's, AK

Average rainfall days in January - Saint Mary
  • Average rainfall days in January: 2.4 days

The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).

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Average snowfall in January
Saint Mary's, AK

Average snowfall in January - Saint Mary
  • Average snowfall in January: 2.72"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Saint Mary's, AK

Average snowfall days in January - Saint Mary
  • Average snowfall days in January: 10.1 days

The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in January /
Average sunshine in January
Saint Mary's, AK

Average daylight in January / Average sunshine in January - Saint Mary
  • Average daylight in January: 6h and 2min

The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).

  • Average sunshine in January: 2h and 5min

The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

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Average sunshine days in January
Saint Mary's, AK

Average sunshine days in January - Saint Mary
  • Average sunshine days in January: 18.6 days

The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).

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Average UV index in January
Saint Mary's, AK

Average UV index in January - Saint Mary
  • 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 March, November and December (UV index 1).

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Average cloud cover in January
Saint Mary's, AK

Average cloud cover in January - Saint Mary
  • Average cloud cover in January: 57

The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).

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Average visibility in January
Saint Mary's, AK

Average visibility in January - Saint Mary
  • Average visibility in January: 5mi

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

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Saint Mary's, Alaska, USA

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