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
The average high-temperature during December registers at a still subzero cold 27°F (-2.8°C), maintaining a close resemblance to the previous month. Kenai indicates a consistently low-temperature of 21.2°F (-6°C) during the nights of December.Humidity
In Kenai, the average relative humidity in December is 85%.Rainfall
In Kenai, in December, it is raining for 7.1 days, with typically 1.93" (49mm) of accumulated precipitation. In Kenai, during the entire year, the rain falls for 136.3 days and collects up to 19.49" (495mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 12.7 days and accumulates 8.74" (222mm) of snow.Ocean temperature
In Kenai, Alaska, in December, the average water temperature is 38.8°F (3.8°C).Note: In swimming exercises, this state is seen as life-threatening and poses serious dangers. The painful sensation of the cold water induces immediate hyperventilation. A specialized swimsuit is required to limit thermal damage.
Daylight
December has the shortest days of the year, with an average of 5h and 54min of daylight.On the first day of the month, sunrise is at 9:46 am and sunset at 4:02 pm. On the last day of December, sunrise is at 10:12 am and sunset at 4:04 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 2.9h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
How much does it snow in December?
What is the water temperature in December?
What is the month with the shortest days?
What is the average length of the day in December in Kenai?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Kenai, AK
- Average high temperature in December: 27°F
The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Kenai, AK
- Average pressure in December: 29.64"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in December
Kenai, AK
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Kenai, AK
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Kenai, AK
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").
Average rainfall days in December
Kenai, AK
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Kenai, AK
- Average snowfall in December: 8.74"
The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Kenai, AK
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least 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 /
Average sunshine in December
Kenai, AK
- Average daylight in December: 5h and 5min
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 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Kenai, AK
- Average sunshine days in December: 14 days
The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).
Average UV index in December
Kenai, AK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Kenai, 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 June (Cloud cover 44).
Average visibility in December
Kenai, AK
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Kenai, Alaska, USA
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