Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Valdez, December's average high-temperature stands at a still freezing cold 20.1°F (-6.6°C), closely related to the preceding month. Valdez maintains an average of approximately an extreme cold 12.4°F (-10.9°C) during December nights, with only a minimal decrease from the daytime temperature.Humidity
In December, the average relative humidity 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. The month with the most snowfall is December, when snow falls for 17.8 days and typically aggregates up to 26.73" (679mm) of snow.Ocean temperature
In December, the average ocean temperature in Valdez is 42.6°F (5.9°C).Note: One needs to be cautious in 42.6°F (5.9°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
December has the shortest days of the year in Valdez, with an average of 5h and 42min of daylight.On the first day of December, 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.
Sunshine
December has the least sunshine of the year, 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. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
What is the snowiest month?
How many days does it snow in December in Valdez?
How cold is the water in December?
What is the month with the shortest days?
How many hours of daylight does Valdez have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
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).
Valdez, Alaska, USA
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