January weather forecast
Gustavus, AK

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Brown sand and water on a section of the Gustavus Beach, Alaska, and snow-peaked mountains in the far view
Brown sand and water on a section of the Gustavus Beach, Alaska, and snow-peaked mountains in the far view

Weather in January

In January, Gustavus, Alaska experiences chilly weather with frequent snowfall, making it a winter wonderland. There's a decline in temperature this month, marking it as one of the coldest times of the year. The combination of snowfall approximately 11.22" (285mm), along with more than 10 days of snow, renders January as the busiest month in terms of snowfall. Wind speeds remain moderate providing a slight respite from the falling snow. The presence of clouds adds to the majesty of the landscape, creating a picturesque view for the onlookers.

Temperature

Gustavus's coldest month, January, generally records average temperatures ranging from a high of 30.7°F (-0.7°C) to a low of 26.2°F (-3.2°C).

Humidity

The average relative humidity in January is 89%.

Rainfall

In Gustavus, in January, it is raining for 13.6 days, with typically 4.02" (102mm) of accumulated precipitation. Throughout the year, there are 182.7 rainfall days, and 37.4" (950mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.9 days and typically aggregates up to 11.22" (285mm) of snow.

Daylight

In January, the average length of the day is 7h and 16min.
On the first day of January, sunrise is at 8:51 am and sunset at 3:21 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:22 pm AKST.

Sunshine

January and December, with an average of 2.9h of sunshine, are months with the least sunshine in Gustavus.

UV index

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Gustavus, January records the average lowest temperatures, peaking at 30.7°F (-0.7°C) and reaching a low of 26.2°F (-3.2°C).

How cold is it in January?

The high-temperature during January is 30.7°F (-0.7°C) and the low-temperature is 26.2°F (-3.2°C).

What is the average humidity in January?

The average relative humidity in January is 89%.

How many days does it rain in January?

In Gustavus, Alaska, in January, during 13.6 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 10.9 days and typically aggregates up to 11.22" (285mm) of snow.

How much does it snow in January?

In Gustavus, in January, snow falls for 10.9 days, with typically accumulated 11.22" (285mm) of snow.

How many hours of daylight does Gustavus have in January?

In Gustavus, the average day length in January is 7h and 16min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 8:51 am and sunset at 3:21 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:22 pm AKST.

What are the months with the least sunshine?

The months with the least sunshine are January and December, with an average of 2.9h of sunshine.

How long on average sun shines in January?

In Gustavus, the average sunshine duration in January is 2.9h.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe 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
Gustavus, AK

Average temperature in January - Gustavus, AK
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (57.2°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in January: 26.2°F

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).

Average pressure in January
Gustavus, AK

Average pressure in January - Gustavus, AK
  • Average pressure in January: 29.82"Hg

The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.77"Hg).

Average wind speed in January
Gustavus, AK

Average wind speed in January - Gustavus, AK
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is January (7mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).

Average humidity in January
Gustavus, AK

Average humidity in January - Gustavus, AK
  • Average humidity in January: 89%

The month with the highest relative humidity is August (90%).
The month with the lowest relative humidity is November (84%).

Average rainfall in January
Gustavus, AK

Average rainfall in January - Gustavus, AK
  • Average rainfall in January: 4.02"

The wettest months (with the highest rainfall) are October and November (4.21").
The driest month (with the least rainfall) is May (1.61").

Average rainfall days in January
Gustavus, AK

Average rainfall days in January - Gustavus, AK
  • Average rainfall days in January: 13.6 days

The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in January
Gustavus, AK

Average snowfall in January - Gustavus, AK
  • Average snowfall in January: 11.22"

The month with the highest snowfall is January (11.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Gustavus, AK

Average snowfall days in January - Gustavus, AK
  • Average snowfall days in January: 10.9 days

The month with the highest number of snowfall days is March (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Gustavus, AK
  • Average daylight in January: 7h and 2min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in January: 2h and 5min

The month with the most sunshine is June (Average sunshine: 7h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).

Average sunshine days in January
Gustavus, AK

Average sunshine days in January - Gustavus, AK
  • Average sunshine days in January: 9.6 days

The months with the most sunshine days are February and May (12.5 days).
The month with the least sunshine days is June (7.7 days).

Average UV index in January
Gustavus, AK

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

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in January
Gustavus, AK

Average cloud cover in January - Gustavus, AK
  • Average cloud cover in January: 70

The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 56).

Average visibility in January
Gustavus, AK

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

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
The months with the lowest visibility are July and August (4mi).

Gustavus, Alaska, USA

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