December weather forecast
Kodiak, AK

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Natural forests, mountains, and distant hill ranges surrounding the small town of Kodiak in Alaska
Natural forests, mountains, and distant hill ranges surrounding the small town of Kodiak in Alaska

Weather in December

Weather in Kodiak, Alaska for December marks the onset of the winter season. December sees a steady drop in temperature, compared to November and is characterized by increased snowfall days. Despite the freezing weather, December maintains high humidity levels, similar to the previous month. As per the data, the low temperature average in December is 32°F (0°C), and the city receives a maximum amount of snowfall at 2.32" (59mm). With the shortest daylight duration of the year, the city has a tranquil ambiance blended with the cherishing festive spirit during December.

Temperature

Kodiak's average high-temperature in December sits at a still icy 36.9°F (2.7°C), showing little difference from the previous month. December notes an average low temperature of 32°F (0°C), subtly down from the daytime highs.

Humidity

In December, the average relative humidity in Kodiak is 82%.

Rainfall

In Kodiak, during December, the rain falls for 14.8 days and regularly aggregates up to 4.29" (109mm) of precipitation. In Kodiak, Alaska, during the entire year, the rain falls for 171.2 days and collects up to 37.32" (948mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Kodiak, during December, snow falls for 5.1 days and regularly aggregates up to 2.32" (59mm) of snow. In Kodiak, during the entire year, snow falls for 35.1 days and aggregates up to 13.74" (349mm) of snow.

Ocean temperature

In Kodiak, the average seawater temperature in December is 42.1°F (5.6°C).
Note: Taking a dip in 42.1°F (5.6°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.

Daylight

With an average of 6h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 9:29 am and sunset at 4:28 pm. On the last day of December, in Kodiak, sunrise is at 9:53 am and sunset at 4:32 pm AKST.

Sunshine

January and December, with an average of 2.6h of sunshine, are months with the least sunshine.

UV index

In Kodiak, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

How cold is December?

During December, Kodiak experiences an average high-temperature of 36.9°F (2.7°C) and a low-temperature of 32°F (0°C).

What is the average humidity in December in Kodiak?

In December, the average relative humidity is 82%.

How much does it rain in December?

In December, the rain falls for 14.8 days. Throughout December, 4.29" (109mm) of precipitation is accumulated.

How much does it snow in December?

In Kodiak, in December, during 5.1 snowfall days, 2.32" (59mm) of snow is typically accumulated.

How cold is the water in December?

In December, the average ocean temperature in Kodiak is 42.1°F (5.6°C). Swimming in 42.1°F (5.6°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 6h and 36min of daylight.

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

The average day length in December is 6h and 39min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 9:29 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 9:53 am and sunset at 4:32 pm AKST.

What is the month with the least sunshine?

January and December, with an average of 2.6h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December in Kodiak is 2.6h.

How high is the UV index in December?

In Kodiak, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Kodiak, AK

Average temperature in December - Kodiak, AK
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 32°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (30.6°F).

Average pressure in December
Kodiak, AK

Average pressure in December - Kodiak, AK
  • Average pressure in December: 29.55"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is December (29.55"Hg).

Average wind speed in December
Kodiak, AK

Average wind speed in December - Kodiak, AK
  • Average wind speed in December: 14.2mph

The windiest month (with the highest average wind speed) is December (14.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity in December
Kodiak, AK

Average humidity in December - Kodiak, AK
  • Average humidity in December: 82%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are March and November (80%).

Average rainfall in December
Kodiak, AK

Average rainfall in December - Kodiak, AK
  • Average rainfall in December: 4.29"

The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").

Average rainfall days in December
Kodiak, AK

Average rainfall days in December - Kodiak, AK
  • Average rainfall days in December: 14.8 days

The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is March (10.8 days).

Average snowfall in December
Kodiak, AK

Average snowfall in December - Kodiak, AK
  • Average snowfall in December: 2.32"

The month with the highest snowfall is March (3.15").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Kodiak, AK

Average snowfall days in December - Kodiak, AK
  • Average snowfall days in December: 5.1 days

The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average sea temperature in December
Kodiak, AK

Average sea temperature in December - Kodiak, AK
  • Average sea temperature in December: 42.1°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 March (39.5°F).

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

Average daylight in December / Average sunshine in December - Kodiak, AK
  • Average daylight in December: 6h and 4min

The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is July (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).

Average sunshine days in December
Kodiak, AK

Average sunshine days in December - Kodiak, AK
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).

Average UV index in December
Kodiak, AK

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

The months with the highest UV index are June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Kodiak, AK

Average cloud cover in December - Kodiak, AK
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 52).

Average visibility in December
Kodiak, AK

Average visibility in December - Kodiak, AK
  • Average visibility in December: 6mi

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

Kodiak, Alaska, USA

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