December weather forecast
Valdez, AK

Share
Lake water and grown-in surface vegetation in Valdez Province, Alaska
Lake water and grown-in surface vegetation in Valdez Province, Alaska

Weather in December

Valdez embraces full-blown winter weather in December. Heavy snowfall of nearly 26.73" (679mm) covers the cityscape, turning it into a winter wonderland. The city then delights in winter sports, with opportunities for snowboarding, skiing and snowshoeing. Yesterday's autumnal tapestry is now a canvas of white, outlined by the city's twinkling holiday lights. Despite the shorter daylight hours, the unique allure of Valdez in winter keeps the city vibrant and alive.

Temperature

Valdez's weather in December, with an average high-temperature of a still subzero cold 20.1°F (-6.6°C), subtly shifts from November's 22.1°F (-5.5°C). A consistent nighttime average temperature of 12.4°F (-10.9°C) is maintained in Valdez during December.

Humidity

In December, the average relative humidity in Valdez is 87%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.1 days and typically aggregates up to 7.44" (189mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Valdez. December is the month with the most snowfall in Valdez, Alaska. Snow falls for 17.8 days and accumulates 26.73" (679mm) of snow.

Ocean temperature

In Valdez, the average seawater temperature in December is 42.6°F (5.9°C).
Note: To swim in 42.6°F (5.9°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.

Daylight

December has the shortest days of the year, with an average of 5h and 42min of daylight.
On the first day of the month, sunrise is at 9:32 am and sunset at 3:37 pm. On the last day of December, sunrise is at 9:58 am and sunset at 3:39 pm AKST.

Sunshine

The month with the least sunshine is December, with an average of 2.8h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Valdez, Alaska. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 1 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
[Resources]

Frequently asked questions

How cold is it in Valdez in December?

In December, in Valdez, the average high-temperature is 20.1°F (-6.6°C), and the average low-temperature is 12.4°F (-10.9°C).

What is the average humidity in December in Valdez?

The average relative humidity in December in Valdez is 87%.

What is the rainiest month in Valdez?

The month with the most rainfall in Valdez is December, when the rain falls for 10.1 days and typically aggregates up to 7.44" (189mm) of precipitation.

How much does it rain in Valdez in December?

In Valdez, in December, during 10.1 rainfall days, 7.44" (189mm) of precipitation is typically accumulated.

What is the snowiest month in Valdez?

December is the month with the most snowfall in Valdez, Alaska. Snow falls for 17.8 days and accumulates 26.73" (679mm) of snow.

How many days does it snow in December in Valdez?

In December, it is snowing for 17.8 days. Throughout December, 26.73" (679mm) of snow is accumulated.

What is the water temperature in December in Valdez?

In December, the average ocean temperature in Valdez, Alaska, is 42.6°F (5.9°C). Swimming in 42.6°F (5.9°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 in Valdez?

December has the shortest days of the year in Valdez, Alaska, with an average of 5h and 42min of daylight.

How many hours of daylight does Valdez have in December?

In December, the average day length in Valdez is 5h and 40min.

When are sunrise and sunset in December in Valdez?

On the first day of December in Valdez, sunrise is at 9:32 am and sunset at 3:37 pm. On the last day of the month, sunrise is at 9:58 am and sunset at 3:39 pm AKST.

What is the month with the least sunshine in Valdez?

The month with the least sunshine in Valdez, Alaska, is December, with an average of 2.8h of sunshine.

How many hours of sunshine does Valdez have in December?

The average sunshine duration in December in Valdez, Alaska, is 2.8h.

When is the lowest UV index in Valdez?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Valdez.

How high is the UV index in December in Valdez?

In Valdez, Alaska, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Valdez, AK

Average temperature in December - Valdez, AK
  • Average high temperature in December: 20.1°F

The warmest month (with the highest average high temperature) is July (53.2°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in December: 12.4°F

The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).

[Resources]

Average pressure in December
Valdez, AK

Average pressure in December - Valdez, AK
  • Average pressure in December: 29.71"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.69"Hg).

[Resources]

Average wind speed in December
Valdez, AK

Average wind speed in December - Valdez, AK
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is November (8.1mph).
The calmest month (with the lowest average wind speed) is July (3.7mph).

[Resources]

Average humidity in December
Valdez, AK

Average humidity in December - Valdez, AK
  • Average humidity in December: 87%

The months with the highest relative humidity are January and April (88%).
The months with the lowest relative humidity are May, June, July and November (83%).

[Resources]

Average rainfall in December
Valdez, AK

Average rainfall in December - Valdez, AK
  • Average rainfall in December: 7.44"

The wettest month (with the highest rainfall) is December (7.44").
The driest month (with the least rainfall) is June (1.93").

[Resources]

Average rainfall days in December
Valdez, AK

Average rainfall days in December - Valdez, AK
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (6.2 days).

[Resources]

Average snowfall in December
Valdez, AK

Average snowfall in December - Valdez, AK
  • Average snowfall in December: 26.73"

The month with the highest snowfall is December (26.73").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in December
Valdez, AK

Average snowfall days in December - Valdez, AK
  • Average snowfall days in December: 17.8 days

The month with the highest number of snowfall days is December (17.8 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average sea temperature in December
Valdez, AK

Average sea temperature in December - Valdez, AK
  • Average sea temperature in December: 42.6°F

The best month for swimming (with the highest average sea temperature) is July (56.4°F).
The coldest month (with the lowest average sea temperature) is March (38.9°F).

[Resources]

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

Average daylight in December / Average sunshine in December - Valdez, AK
  • Average daylight in December: 5h and 4min

The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 42min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

[Resources]

Average sunshine days in December
Valdez, AK

Average sunshine days in December - Valdez, AK
  • Average sunshine days in December: 9.7 days

The months with the most sunshine days are January and May (12.3 days).
The month with the least sunshine days is December (9.7 days).

[Resources]

Average UV index in December
Valdez, AK

Average UV index in December - Valdez, AK
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in December
Valdez, AK

Average cloud cover in December - Valdez, 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 July (Cloud cover 50).

[Resources]

Average visibility in December
Valdez, AK

Average visibility in December - Valdez, AK
  • Average visibility in December: 5mi

The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February and April (4mi).

[Resources]

Valdez, Alaska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location