December weather forecastCordova, AK
December
Weather in December
December in Cordova marks the height of winter with low temperatures and high snowfall. The decrease in the average temperature and sunlight duration continues, reaching their yearly minimums. Snowfall, a regular feature of December, surges to an average of 17.76" (451mm), second only to February. As January rolls in, weather typically maintains its winter character, often marked by a slight drop in averages. Overall, December enjoys a unique charm attributed to the snow-clad ambiance and the festive spirit of the holiday season.Temperature
The advent of December brings an average high-temperature of a freezing cold 31.5°F (-0.3°C), almost identical to the preceding month. A modest nighttime temperature average of 26.2°F (-3.2°C) characterizes December.Humidity
In Cordova, the average relative humidity in December is 81%.Rainfall
In Cordova, in December, during 14.5 rainfall days, 8.98" (228mm) of precipitation is typically accumulated. Throughout the year, there are 191.3 rainfall days, and 72.4" (1839mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 12.9 days and typically aggregates up to 17.76" (451mm) of snow.Ocean temperature
In Cordova, in December, the average water temperature is 44.1°F (6.7°C).Note: Staying in 44.1°F (6.7°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 9:24 am and sunset at 3:40 pm. On the last day of December, sunrise is at 9:50 am and sunset at 3:42 pm AKST.
Sunshine
December has the least sunshine of the year, with an average of 2.1h of sunshine.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cordova, AK
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Cordova, AK
- Average pressure in December: 29.68"Hg
The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).
Average wind speed in December
Cordova, AK
- Average wind speed in December: 12mph
The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).
Average humidity in December
Cordova, AK
- Average humidity in December: 81%
The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Cordova, AK
- Average rainfall in December: 8.98"
The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").
Average rainfall days in December
Cordova, AK
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in December
Cordova, AK
- Average snowfall in December: 17.76"
The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cordova, AK
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Cordova, AK
- Average sea temperature in December: 44.1°F
The best month for swimming (with the highest average sea temperature) is July (57.3°F).
The coldest month (with the lowest average sea temperature) is March (39.6°F).
Average daylight in December /
Average sunshine in December
Cordova, AK
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 6min
The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in December
Cordova, AK
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).
Average UV index in December
Cordova, AK
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Cordova, AK
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).
Average visibility in December
Cordova, AK
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, August and December (5mi).
