December weather forecast
Homer, AK

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The scenic Homer Spit region in Homer, Alaska, overlooking the calm seawater and distant mountain ranges
The scenic Homer Spit region in Homer, Alaska, overlooking the calm seawater and distant mountain ranges

Weather in December

December in Homer amplifies the cold conditions and registers the highest snowfall in the year, with a significant 11.54" (293mm). This makes it an ideal time for snow-related activities. With the days becoming increasingly shorter, it is characterized by minimal daylight hours and meager sunshine time, adding to the winter's intensity. The relatively high humidity levels, coupled with chilling sea temperatures, contribute to the overall frosty ambiance. This month's declining temperature and rising snowfall underscore the robust winter qualities, setting the stage for the upcoming new year in the city.

Temperature

Homer records a slight change with December's average high-temperatures adjusting to a subzero cold 28.9°F (-1.7°C) from November's 32°F (0°C). Homer maintains a minor drop in temperature during December nights, with averages of 23.7°F (-4.6°C).

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 in Homer. Rain falls for 12.7 days and accumulates 4.65" (118mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Homer. December is the month with the most snowfall in Homer. Snow falls for 14.9 days and accumulates 11.54" (293mm) of snow.

Ocean temperature

In December, the average ocean temperature is 42.8°F (6°C).
Note: Diving into 42.8°F (6°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.

Daylight

With an average of 6h and 6min of daylight, December has the shortest days of the year in Homer.
On the first day of December in Homer, Alaska, sunrise is at 9:39 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 10:04 am and sunset at 4:14 pm AKST.

Sunshine

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

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Homer. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is it in Homer in December?

In Homer, 28.9°F (-1.7°C) is the average high-temperature and 23.7°F (-4.6°C) is the average low-temperature during December.

What is the most humid month in Homer?

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

What is the average humidity in December in Homer?

In December, the average relative humidity in Homer, Alaska, is 86%.

What is the rainiest month in Homer?

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

How many days does it rain in December in Homer?

In Homer, during December, the rain falls for 12.7 days and regularly aggregates up to 4.65" (118mm) of precipitation.

When does it snow the most in Homer?

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

How many days does it snow in December in Homer?

In Homer, Alaska, in December, during 14.9 snowfall days, 11.54" (293mm) of snow is typically accumulated.

How cold is the water in December in Homer?

In Homer, in December, the average water temperature is 42.8°F (6°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the month with the shortest days in Homer?

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

How many hours of daylight does Homer have in December?

In December, the average day length in Homer is 6h and 8min.

When are sunrise and sunset in December in Homer?

In December, on the first day of the month, sunrise is at 9:39 am and sunset at 4:11 pm. On the last day of the month, in Homer, sunrise is at 10:04 am and sunset at 4:14 pm AKST.

What is the month with the least sunshine in Homer?

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

How many hours of sunshine does Homer have in December?

The average sunshine duration in December in Homer, Alaska, is 2.6h.

What is the month with the lowest UV index in Homer?

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

What is the UV index intensity in December in Homer?

In December, the average daily maximum UV index in Homer is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
32°F 0°C
28.9°F -1.7°C
27°F -2.8°C
Average low temperature
27.5°F -2.5°C
23.7°F -4.6°C
21.6°F -5.8°C
Average pressure
29.61" 752mmHg
29.6" 752mmHg
29.63" 753mmHg
Average wind speed
8.8mph 14.2km/h
8.7mph 14km/h
8.6mph 13.8km/h
Average max. wind speed
9.3mph 15km/h
9.4mph 15.1km/h
9.1mph 14.6km/h
Average wind speed gusts
13.8mph 22.2km/h
14.2mph 22.9km/h
14.3mph 23km/h
Average humidity
81%
86%
86%
Average rainfall
3.5" 89mm
4.65" 118mm
2.52" 64mm
Average rainfall days
13.9
12.7
12.1
Average snowfall
5.55" 141mm
11.54" 293mm
7.6" 193mm
Average snowfall days
11.3
14.9
13
Average sea temperature
45°F 7.2°C
43°F 6.1°C
41°F 5°C
Average daylight
7h 4min
6h 1min
7h 0min
Average sunshine
3h 3min
2h 4min
3h 0min
Average sunshine days
9.3
8.5
11.3
Average UV index
2
1
2
Average cloud cover
55%
62%
56%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in December
Homer, AK

Average temperature in December - Homer, 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).

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Average pressure in December
Homer, AK

Average pressure in December - Homer, 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).

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Average wind speed in December
Homer, AK

Average wind speed in December - Homer, 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).

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Average humidity in December
Homer, AK

Average humidity in December - Homer, 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%).

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Average rainfall in December
Homer, AK

Average rainfall in December - Homer, 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").

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Average rainfall days in December
Homer, AK

Average rainfall days in December - Homer, 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).

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Average snowfall in December
Homer, AK

Average snowfall in December - Homer, 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").

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Average snowfall days in December
Homer, AK

Average snowfall days in December - Homer, 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).

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Average sea temperature in December
Homer, AK

Average sea temperature in December - Homer, AK
  • Average sea temperature in December: 43°F

The best month for swimming (with the highest average sea temperature) is August (54°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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

Average daylight in December / Average sunshine in December - Homer, AK
  • Average daylight in December: 6h and 1min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in December: 2h and 4min

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).

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Average sunshine days in December
Homer, AK

Average sunshine days in December - Homer, 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).

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Average UV index in December
Homer, AK

Average UV index in December - Homer, 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).

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Average cloud cover in December
Homer, AK

Average cloud cover in December - Homer, 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).

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Average visibility in December
Homer, AK

Average visibility in December - Homer, 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).

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Homer, Alaska, USA

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