December weather forecastKachemak Silo, AK

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Kachemak Silo, Alaska, with an average temperature fluctuating between 23.7°F (-4.6°C) and 28.9°F (-1.7°C).

Temperature

December experiences an average high-temperature of a freezing cold 28.9°F (-1.7°C), barely different from November's 32°F (0°C). Kachemak Silo observes a slightly reduced average nighttime temperature of 23.7°F (-4.6°C) during December.

Humidity

January and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

December is the month with the most rainfall. Rain falls for 12.7 days and accumulates 4.65" (118mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. The month with the most snowfall in Kachemak Silo is December, when snow falls for 14.9 days and typically aggregates up to 11.54" (293mm) of snow.

Daylight

The month with the shortest days is December, with an average of 6h and 6min of daylight.
On the first day of the month, sunrise is at 9:39 am and sunset at 4:07 pm. On the last day of December, sunrise is at 10:04 am and sunset at 4:10 pm AKST.

Sunshine

December has the least sunshine of the year, with an average of 2.6h of sunshine.

UV index

December is the month with the lowest UV index in Kachemak Silo, with an average maximum UV index of 1. 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: The UV index of 1 during December leads to these advisories:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 28.9°F (-1.7°C) and 23.7°F (-4.6°C) respectively.

January and December, with an average relative humidity of 86%, are most humid months.

In December, the average relative humidity is 86%.

The month with the most rainfall is December, when the rain falls for 12.7 days and typically aggregates up to 4.65" (118mm) of precipitation.

In December, the rain falls for 12.7 days. Throughout December, 4.65" (118mm) of precipitation is accumulated.

December is the month with the most snowfall. Snow falls for 14.9 days and accumulates 11.54" (293mm) of snow.

In Kachemak Silo, during December, snow falls for 14.9 days and regularly aggregates up to 11.54" (293mm) of snow.

December has the shortest days of the year, with an average of 6h and 6min of daylight.

In Kachemak Silo, the average day length in December is 6h and 5min.

In December, on the first day of the month, sunrise is at 9:39 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 10:04 am and sunset at 4:10 pm AKST.

With an average of 2.6h of sunshine, December has the least sunshine of the year.

In Kachemak Silo, the average sunshine duration in December is 2.6h.

With an average maximum UV index of 1, December is the month with the lowest UV index in Kachemak Silo.

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

32°F

28.9°F

27°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.3mph

9.4mph

9.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.3

8.5

11.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Kachemak Silo, AK

Average high temperature in December: 28.9°F

The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (27°F).

Average low temperature in December: 23.7°F

The months with the highest average low temperature are July and August (48.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Kachemak Silo, AK

Average pressure in December: 29.6"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).

Average wind speed in December
Kachemak Silo, AK

Average wind speed in December: 8.7mph

The windiest month (with the highest average wind speed) is November (8.8mph).
The calmest month (with the lowest average wind speed) is June (5.1mph).

Average humidity in December
Kachemak Silo, AK

Average humidity in December: 86%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is May (76%).

Average rainfall in December
Kachemak Silo, AK

Average rainfall in December: 4.65"

The wettest month (with the highest rainfall) is December (4.65").
The driest month (with the least rainfall) is June (1.54").

Average rainfall days in December
Kachemak Silo, AK

Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is February (9 days).

Average snowfall in December
Kachemak Silo, AK

Average snowfall in December: 11.54"

The month with the highest snowfall is December (11.54").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Kachemak Silo, AK

Average snowfall days in December: 14.9 days

The month with the highest number of snowfall days is December (14.9 days).
The months with the least snowfall days are June and August (0 days).

Average daylight in December /
Average sunshine in December
Kachemak Silo, AK

Average daylight in December: 6h and 6min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).

Average sunshine in December: 2h and 36min

The months with the most sunshine are June and July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in December
Kachemak Silo, AK

Average sunshine days in December: 8.5 days

The months with the most sunshine days are March and July (12.3 days).
The month with the least sunshine days is December (8.5 days).

Average UV index in December
Kachemak Silo, AK

Average UV index in December: 1

The month with the highest UV index is July (UV index 4).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Kachemak Silo, AK

Average cloud cover in December: 62

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 52).

Average visibility in December
Kachemak Silo, AK

Average visibility in December: 5mi

The months with the highest visibility are May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, August and December (5mi).