January weather forecast
Kenai, AK

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High rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska
High rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska

Weather in January

The first month of the year in Kenai, Alaska is characterized by cold temperatures and enduring snowfalls. These conditions make the region a prime location for winter sports enthusiasts. The lowest average temperatures hover between 18.3°F (-7.6°C) to 24.3°F (-4.3°C), making it crucial for residents and visitors to bundle up adequately to stave off the chill. The presence of snow is further reinforced by the increased rate of relative humidity at 87%. Moreover, the limited sunshine hours and low UV index intensify the overall sensation of cold.

Temperature

January, with its high-temperature average of 24.3°F (-4.3°C) and a low-temperature average of 18.3°F (-7.6°C), is the coldest month.

Humidity

January and February, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Kenai, in January, during 8.7 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Kenai, there are 136.3 rainfall days, and 19.49" (495mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Kenai are January through April, September through December. In Kenai, in January, snow falls for 11 days, with typically accumulated 4.17" (106mm) of snow. In Kenai, during the entire year, snow falls for 62.1 days and aggregates up to 30.71" (780mm) of snow.

Ocean temperature

In Kenai, in January, the average water temperature is 35.2°F (1.8°C).
Note: During swimming sessions, this situation poses an instant life risk. The control of breathing is completely lost, hampering clear thinking. Wearing a specialized swimsuit is a necessity to prevent thermal loss.

Daylight

In Kenai, the average length of the day in January is 6h and 46min.
On the first day of January, sunrise is at 10:12 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 9:23 am and sunset at 5:12 pm AKST.

Sunshine

The average sunshine in January in Kenai is 3.4h.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index in Kenai, Alaska. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What are the coldest months in Kenai?

Kenai's January weather, with an average high temperature of 24.3°F (-4.3°C) and an average low temperature of 18.3°F (-7.6°C), tends to be the coldest of the year.

How cold is it in Kenai in January?

Kenai in January has an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 18.3°F (-7.6°C).

What is the most humid month in Kenai?

January and February, with an average relative humidity of 87%, are most humid months in Kenai, Alaska.

What is the average humidity in January in Kenai?

In Kenai, Alaska, the average relative humidity in January is 87%.

How much does it rain in Kenai in January?

In January, the rain falls for 8.7 days. Throughout January, 1.26" (32mm) of precipitation is accumulated.

How many days does it snow in January in Kenai?

In Kenai, during January, snow falls for 11 days and regularly aggregates up to 4.17" (106mm) of snow.

How cold is the water in January in Kenai?

In January, the average ocean temperature is 35.2°F (1.8°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

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

In January, the average day length in Kenai, Alaska, is 6h and 46min.

When are sunrise and sunset in January in Kenai?

In January, on the first day of the month, sunrise is at 10:12 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 9:23 am and sunset at 5:12 pm AKST.

How many hours of sunshine does Kenai have in January?

In Kenai, Alaska, the average sunshine duration in January is 3.4h.

When is the lowest UV index in Kenai?

The month with the lowest UV index in Kenai is January, with an average maximum UV index of 1.

How high is the UV index in January in Kenai?

In January, the average daily maximum UV index is 1. A UV Index 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
Kenai, AK

Average temperature in January - Kenai, AK
  • Average high temperature in January: 24.3°F

The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in January: 18.3°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in January
Kenai, AK

Average pressure in January - Kenai, AK
  • Average pressure in January: 29.67"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

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Average wind speed in January
Kenai, AK

Average wind speed in January - Kenai, AK
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in January
Kenai, AK

Average humidity in January - Kenai, AK
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).

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Average rainfall in January
Kenai, AK

Average rainfall in January - Kenai, AK
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").

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Average rainfall days in January
Kenai, AK

Average rainfall days in January - Kenai, AK
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in January
Kenai, AK

Average snowfall in January - Kenai, AK
  • Average snowfall in January: 4.17"

The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in January
Kenai, AK

Average snowfall days in January - Kenai, AK
  • Average snowfall days in January: 11 days

The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).

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Average sea temperature in January
Kenai, AK

Average sea temperature in January - Kenai, AK
  • Average sea temperature in January: 35.2°F

The best month for swimming (with the highest average sea temperature) is August (53.4°F).
The coldest month (with the lowest average sea temperature) is February (34.2°F).

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

Average daylight in January / Average sunshine in January - Kenai, AK
  • Average daylight in January: 6h and 5min

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

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Average sunshine days in January
Kenai, AK

Average sunshine days in January - Kenai, AK
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).

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Average UV index in January
Kenai, AK

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

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

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Average cloud cover in January
Kenai, AK

Average cloud cover in January - Kenai, AK
  • Average cloud cover in January: 50

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 44).

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Average visibility in January
Kenai, AK

Average visibility in January - Kenai, AK
  • Average visibility in January: 6mi

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

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Kenai, Alaska, USA

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