January weather forecast and climate
Mendeltna, AK

Weather in January

January, like December, in Mendeltna, Alaska, is another frigid cold winter month, with average temperature varying between 6.3°F (-14.3°C) and -5.6°F (-20.9°C).

Temperature

The coldest month is January, with an average high-temperature of 6.3°F (-14.3°C) and an average low-temperature of -5.6°F (-20.9°C).

Humidity

In Mendeltna, Alaska, the average relative humidity is 89%.

Rainfall

In Mendeltna, Alaska, during 10.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 165.3 rainfall days, and 17.99" (457mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, August through December. In Mendeltna, in January, during 20.5 snowfall days, 11.3" (287mm) of snow is typically accumulated. Throughout the year, in Mendeltna, there are 161.6 snowfall days, and 83.27" (2115mm) of snow is accumulated.

Daylight

The average length of the day in Mendeltna is 6.4h.

Sunshine

In January, the average sunshine is 3.8h.

UV index

Months with the lowest UV index in Mendeltna 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 unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Mendeltna?

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

What is the temperature in January in Mendeltna?

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

What is the average humidity in January in Mendeltna?

The average relative humidity in January in Mendeltna is 89%.

How many days does it rain in January in Mendeltna?

In Mendeltna, in January, during 10.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

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.

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

In January, the average length of the day in Mendeltna is 6.4h.

How many hours of sunshine does Mendeltna have in January?

The average sunshine in January is 3.8h.

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

Months with the lowest UV index in Mendeltna, Alaska, are January, April, September through December, with an average maximum UV index of 1.

How high is the UV index in January in Mendeltna?

In January, the average daily maximum UV index in Mendeltna is 1. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.

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"

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

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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%

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: 6.4h

The month with the longest days is June (Average daylight: 19.6h).
The month with the shortest days is December (Average daylight: 5.3h).

  • Average sunshine in January: 3.8h

The month with the most sunshine is June (Average sunshine: 12.6h).
The month with the least sunshine is December (Average sunshine: 3.7h).

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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).
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

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

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