Kenai
Alaska, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Kenai, AK

The iconic high rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska
The iconic high rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska
The first month of the winter, December, is also a subzero cold month in Kenai, Alaska, with average temperature varying between 11.5°F (-11.4°C) and 25.5°F (-3.6°C).

Temperature

In Kenai, Alaska, the average high-temperature is practically the same as in November - a still subzero cold 25.5°F (-3.6°C). The average low-temperature, in Kenai, is 11.5°F (-11.4°C).

Rainfall

In Kenai, in December, during 11.4 rainfall days, 1.4" (34.3mm) of precipitation is typically accumulated. Throughout the year, there are 123.7 rainfall days, and 18.3" (464.4mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Kenai are January through May, September through December. December is the month with the most snowfall. Snow falls for 9.1 days and accumulates 14.2" (360.7mm) of snow.

Ocean temperature

In December, the average ocean temperature is 38.8°F (3.8°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

December has the shortest days of the year, with an average of 5.8h of daylight.

What is the temperature in December in Kenai?

In December, in Kenai, Alaska, the average high-temperature is 25.5°F (-3.6°C), and the average low-temperature is 11.5°F (-11.4°C).

How much does it rain in Kenai in December?

In Kenai, in December, during 11.4 rainfall days, 1.4" (34.3mm) of precipitation is typically accumulated.

How many days does it snow in December in Kenai?

In December, in Kenai, Alaska, it is snowing for 9.1 days. Throughout December, 14.2" (360.7mm) of snow is accumulated.

What is the snowiest month in Kenai?

December is the month with the most snowfall in Kenai. Snow falls for 9.1 days and accumulates 14.2" (360.7mm) of snow.

What is the water temperature in December in Kenai?

In Kenai, in December, the average water temperature 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?

With an average of 5.8h of daylight, December has the shortest days of the year in Kenai, Alaska.

How many hours of daylight does Kenai have in December?

The average length of the day in December in Kenai is 5.8h.
Average temperature in December - Kenai, AK
  • Average high temperature in December: 25.5°F

The warmest month (with the highest average high temperature) is July (62.7°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in December: 11.4°F

The month with the highest average low temperature is July (48.6°F).
The coldest month (with the lowest average low temperature) is January (8.3°F).

Average rainfall in December - Kenai, AK
  • Average rainfall in December: 1.4"

The wettest month (with the highest rainfall) is September (3.3").
Driest months (with the lowest rainfall) are March and April (0.6").

Average rainfall days in December - Kenai, AK
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is September (15.7 days).
The month with the lowest number of rainy days is April (5.7 days).

Average snowfall in December - Kenai, AK
  • Average snowfall in December: 14.2"

The month with the highest snowfall is December (14.2").
Months with the lowest snowfall are June, July and August (0").

Average snowfall days in December - Kenai, AK
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is December (9.1 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

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).

Average daylight in December - Kenai, AK
  • Average daylight in December: 5.8h

The month with the longest days is June (Average daylight: 18.9h).
The month with shortest days is December (Average daylight: 5.8h).