Homer
Alaska, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Homer, AK

A drone shot of the scenic Homer Spit region in Homer, Alaska, overlooking the calm seawater and distant mountain ranges
A drone shot of the scenic Homer Spit region in Homer, Alaska, overlooking the calm seawater and distant mountain ranges
The first month of the winter, December, is also a wintry month in Homer, Alaska, with average temperature fluctuating between 21.2°F (-6°C) and 32.9°F (0.5°C).

Temperature

In Homer, the average high-temperature is essentially the same as in November - a still wintry 32.9°F (0.5°C). In December, the average low-temperature is 21.2°F (-6°C).

Rainfall

In Homer, during December, the rain falls for 15.8 days and regularly aggregates up to 3.1" (78mm) of precipitation. In Homer, during the entire year, the rain falls for 150.8 days and collects up to 24.3" (616.2mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Homer, during December, snow falls for 7.6 days and regularly aggregates up to 10.3" (261.6mm) of snow. Throughout the year, there are 37.1 snowfall days, and 49.8" (1264.8mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature is 42.8°F (6°C).
Note: Swimming in 42.8°F (6°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days is December, with an average of 6.1h of daylight.

Sunshine

December has the least sunshine of the year in Homer, Alaska, with an average of 2h of sunshine.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 0. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 0 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Homer?

In Homer, Alaska, in December, the average high-temperature is 32.9°F (0.5°C), and the average low-temperature is 21.2°F (-6°C).

How much does it rain in Homer in December?

In December, in Homer, the rain falls for 15.8 days. Throughout December, 3.1" (78mm) of precipitation is accumulated.

How many days does it snow in December in Homer?

In December, it is snowing for 7.6 days. Throughout December, 10.3" (261.6mm) of snow is accumulated.

What is the water temperature in December in Homer?

In December, the average ocean temperature in Homer 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?

The month with the shortest days in Homer is December, with an average of 6.1h of daylight.

What is the average length of the day in December in Homer?

In December, the average length of the day is 6.1h.

What is the month with the least sunshine in Homer?

December has the least sunshine of the year in Homer, with an average of 2h of sunshine.

How long on average sun shines in December in Homer?

In Homer, the average sunshine in December is 2h.

What are the months with the lowest UV index in Homer?

January, February, November and December, with an average maximum UV index of 0, are months with the lowest UV index.

What is the UV index reading in December in Homer?

In December, the average daily maximum UV index in Homer, Alaska, is 0. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in December - Homer, AK
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (30.8°F).

  • Average low temperature in December: 21.2°F

The month with the highest average low temperature is July (48.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average rainfall in December - Homer, AK
  • Average rainfall in December: 3.1"

The wettest month (with the highest rainfall) is September (3.3").
Driest months (with the lowest rainfall) are May and June (0.8").

Average rainfall days in December - Homer, AK
  • Average rainfall days in December: 15.8 days

The month with the highest number of rainy days is September (15.9 days).
The month with the lowest number of rainy days is May (9.3 days).

Average snowfall in December - Homer, AK
  • Average snowfall in December: 10.3"

The month with the highest snowfall is February (11.1").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in December - Homer, AK
  • Average snowfall days in December: 7.6 days

The month with the highest number of snowfall days is January (8.1 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

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).

Average daylight in December / Average sunshine in December - Homer, AK
  • Average daylight in December: 6.1h

The month with the longest days is June (Average daylight: 18.6h).
The month with shortest days is December (Average daylight: 6.1h).

  • Average sunshine in December: 2h

Months with most sunshine are May and June (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in December - Homer, AK
  • Average UV index in December: 0

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 0).