January weather forecast
Mendeltna, AK

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Weather in January

January, like December, in Mendeltna, Alaska, is an extremely cold winter month, with temperature in the range of an average low of -5.6°F (-20.9°C) and an average high of 6.3°F (-14.3°C).

Temperature

January, with its average high-temperature of 6.3°F (-14.3°C) and an average low-temperature of -5.6°F (-20.9°C), holds the record as the coldest month.

Humidity

In January, the average relative humidity is 89%.

Rainfall

In Mendeltna, during January, the rain falls for 10.1 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Mendeltna, during the entire year, the rain falls for 165.3 days and collects up to 17.99" (457mm) of precipitation.

Snowfall

January through June, August through December are months with snowfall in Mendeltna. In Mendeltna, during January, snow falls for 20.5 days and regularly aggregates up to 11.3" (287mm) of snow. In Mendeltna, during the entire year, snow falls for 161.6 days and aggregates up to 83.27" (2115mm) of snow.

Daylight

In Mendeltna, the average length of the day in January is 6h and 20min.
On the first day of the month, sunrise is at 10:09 am and sunset at 3:29 pm. On the last day of January, sunrise is at 9:14 am and sunset at 4:44 pm AKST.

Sunshine

In Mendeltna, the average sunshine in January is 3.8h.

UV index

The months with the lowest UV index are January, April, September through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the UV index of 1 transforms into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the coldest time of year in Mendeltna?

January stands out as Mendeltna's coldest month, with temperatures ranging between an average high of 6.3°F (-14.3°C) and a low of -5.6°F (-20.9°C).

How cold is it in Mendeltna in January?

In Mendeltna, 6.3°F (-14.3°C) is the average high-temperature and -5.6°F (-20.9°C) is the average low-temperature during January.

What is the average humidity in January in Mendeltna?

In January, the average relative humidity is 89%.

How much does it rain in Mendeltna in January?

In Mendeltna, during January, the rain falls for 10.1 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How much does it snow in Mendeltna in January?

In Mendeltna, Alaska, during January, snow falls for 20.5 days and regularly aggregates up to 11.3" (287mm) of snow.

How many hours of daylight does Mendeltna have in January?

The average day length in January is 6h and 20min.

When is the sunrise / sunset in January in Mendeltna?

On the first day of January in Mendeltna, Alaska, sunrise is at 10:09 am and sunset at 3:29 pm. On the last day of the month, sunrise is at 9:14 am and sunset at 4:44 pm AKST.

How many hours of sunshine does Mendeltna have in January?

In Mendeltna, Alaska, the average sunshine duration in January is 3.8h.

What are the months with the lowest UV index in Mendeltna?

The months with the lowest UV index are January, April, September through December, with an average maximum UV index of 1.

What is the UV index reading in January in Mendeltna?

In January, the average daily maximum UV index in Mendeltna is 1. A UV Index reading of 2, and below, represents 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
Mendeltna, AK

Average temperature in January - Mendeltna, AK
  • Average high temperature in January: 6.3°F

The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (6.3°F).

  • Average low temperature in January: -5.6°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (-5.6°F).

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Average pressure in January
Mendeltna, AK

Average pressure in January - Mendeltna, AK
  • Average pressure in January: 29.78"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.74"Hg).

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Average wind speed in January
Mendeltna, AK

Average wind speed in January - Mendeltna, AK
  • Average wind speed in January: 4.1mph

The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is March (3.9mph).

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Average humidity in January
Mendeltna, AK

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

The months with the highest relative humidity are March and December (90%).
The month with the lowest relative humidity is June (64%).

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Average rainfall in January
Mendeltna, AK

Average rainfall in January - Mendeltna, AK
  • Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is April (0.83").

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Average rainfall days in January
Mendeltna, AK

Average rainfall days in January - Mendeltna, AK
  • Average rainfall days in January: 10.1 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in January
Mendeltna, AK

Average snowfall in January - Mendeltna, AK
  • Average snowfall in January: 11.3"

The month with the highest snowfall is December (14.49").
The month with the least snowfall is July (0").

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Average snowfall days in January
Mendeltna, AK

Average snowfall days in January - Mendeltna, AK
  • Average snowfall days in January: 20.5 days

The month with the highest number of snowfall days is December (22.3 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in January / Average sunshine in January - Mendeltna, AK
  • 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: 3h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

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Average sunshine days in January
Mendeltna, AK

Average sunshine days in January - Mendeltna, AK
  • Average sunshine days in January: 9.7 days

The month with the most sunshine days is May (10.7 days).
The month with the least sunshine days is June (6.8 days).

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Average UV index in January
Mendeltna, AK

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

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

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Average cloud cover in January
Mendeltna, AK

Average cloud cover in January - Mendeltna, AK
  • Average cloud cover in January: 44

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in January
Mendeltna, AK

Average visibility in January - Mendeltna, AK
  • Average visibility in January: 4mi

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Mendeltna, Alaska, USA

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