December weather forecast
Kenai, AK

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 December

The first month of the winter, December, is also a subzero cold month in Kenai, Alaska, with an average temperature varying between 21.2°F (-6°C) and 27°F (-2.8°C).

Temperature

In December, the average high-temperature is relatively the same as in November - a still freezing cold 27°F (-2.8°C). In December, the average low-temperature is 21.2°F (-6°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In December, the rain falls for 7.1 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. In Kenai, Alaska, during the entire year, the rain falls for 136.3 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall in Kenai, Alaska. December is the month with the most snowfall in Kenai, Alaska. Snow falls for 12.7 days and accumulates 8.74" (222mm) of snow.

Ocean temperature

In Kenai, the average water temperature is 38.8°F (3.8°C).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

With an average of 5h and 52min of daylight, December has the shortest days of the year in Kenai.
On the first day of December, sunrise is at 9:45 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 10:12 am and sunset at 4:03 pm AKST.

Sunshine

With an average of 2.9h of sunshine, December has the least sunshine of the year.

UV index

The average daily maximum UV index in December in Kenai is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the temperature in December in Kenai?

In December, in Kenai, the average high-temperature is 27°F (-2.8°C), and the average low-temperature is 21.2°F (-6°C).

What is the average humidity in December in Kenai?

The average relative humidity in December is 85%.

How much does it rain in Kenai in December?

In Kenai, Alaska, during December, the rain falls for 7.1 days and regularly aggregates up to 1.93" (49mm) of precipitation.

What is the snowiest month in Kenai?

The month with the most snowfall is December, when snow falls for 12.7 days and typically aggregates up to 8.74" (222mm) of snow.

How much does it snow in Kenai in December?

In December, in Kenai, Alaska, it is snowing for 12.7 days. Throughout December, 8.74" (222mm) of snow is accumulated.

What is the ocean temperature in December in Kenai?

In December, the average ocean temperature in Kenai is 38.8°F (3.8°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the month with the shortest days in Kenai?

December has the shortest days of the year, with an average of 5h and 52min of daylight.

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

In Kenai, the average day length in December is 5h and 52min.

When is the sunrise / sunset in December in Kenai?

In December, on the first day of the month, sunrise is at 9:45 am and sunset at 4:02 pm. On the last day of the month, in Kenai, Alaska, sunrise is at 10:12 am and sunset at 4:03 pm AKST.

What is the month with the least sunshine in Kenai?

The month with the least sunshine in Kenai, Alaska, is December, with an average of 2.9h of sunshine.

How many hours of sunshine does Kenai have in December?

The average sunshine duration in December in Kenai, Alaska, is 2.9h.

What is the UV index intensity in December in Kenai?

The average daily maximum UV index in December in Kenai is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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 December
Kenai, AK

Average temperature in December - Kenai, AK
  • Average high temperature in December: 27°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 December: 21.2°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).

[Resources]

Average pressure in December
Kenai, AK

Average pressure in December - Kenai, AK
  • Average pressure in December: 29.64"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).

[Resources]

Average wind speed in December
Kenai, AK

Average wind speed in December - Kenai, AK
  • Average wind speed in December: 9.6mph

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).

[Resources]

Average humidity in December
Kenai, AK

Average humidity in December - Kenai, AK
  • Average humidity in December: 85%

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

[Resources]

Average rainfall in December
Kenai, AK

Average rainfall in December - Kenai, AK
  • Average rainfall in December: 1.93"

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

[Resources]

Average rainfall days in December
Kenai, AK

Average rainfall days in December - Kenai, AK
  • Average rainfall days in December: 7.1 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).

[Resources]

Average snowfall in December
Kenai, AK

Average snowfall in December - Kenai, AK
  • Average snowfall in December: 8.74"

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

[Resources]

Average snowfall days in December
Kenai, AK

Average snowfall days in December - Kenai, AK
  • Average snowfall days in December: 12.7 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).

[Resources]

Average sea temperature in December
Kenai, AK

Average sea temperature in December - Kenai, AK
  • Average sea temperature in December: 38.8°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).

[Resources]

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

Average daylight in December / Average sunshine in December - Kenai, AK
  • Average daylight in December: 5h and 52min

The month with the longest days is June (Average daylight: 18h and 56min).
The month with the shortest days is December (Average daylight: 5h and 52min).

  • Average sunshine in December: 2h and 54min

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).

[Resources]

Average sunshine days in December
Kenai, AK

Average sunshine days in December - Kenai, AK
  • Average sunshine days in December: 14 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).

[Resources]

Average UV index in December
Kenai, AK

Average UV index in December - Kenai, AK
  • Average UV index in December: 2

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).

[Resources]

Average cloud cover in December
Kenai, AK

Average cloud cover in December - Kenai, AK
  • Average cloud cover in December: 58

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

[Resources]

Average visibility in December
Kenai, AK

Average visibility in December - Kenai, AK
  • Average visibility in December: 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location