December weather forecast
Sand Point, AK

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Weather in December

December marks the height of winter in Sand Point, showcasing its coldest and harshest weather conditions. The days are shorter with fewer sunlight hours, while temperatures drop significantly. Among these changes, December ushers in the peak of snowfall, rising to 3.82in, promising a white Christmas. As temperatures continue to plummet, the city braces for the continuation of this winter trend in January. Embracing the end of the year, residents prepare for the continuation of cold, snowy weather in the new year.

Temperature

With December's advent, Sand Point sees an average high-temperature of a still wintry 37°F (2.8°C), subtly shifted from November's 41°F (5°C). Sand Point navigates through December with a barely noticeable decrease in temperature at night, stabilizing at a still cold 33.4°F (0.8°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

December is the month with the most rainfall. Rain falls for 18.2 days and accumulates 4.45" (113mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Sand Point, during December, snow falls for 10.2 days and regularly aggregates up to 3.82" (97mm) of snow. In Sand Point, Alaska, during the entire year, snow falls for 55.6 days and aggregates up to 18.19" (462mm) of snow.

Ocean temperature

In Sand Point, in December, the average water temperature is 42.3°F (5.7°C).
Note: Swimming at temperatures less than 50°F (10°C) in 42.3°F (5.7°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.

Daylight

The month with the shortest days is December, with an average of 7h and 12min of daylight.
On the first day of December, sunrise is at 9:46 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 10:08 am and sunset at 5:22 pm AKST.

Sunshine

With an average of 2.3h of sunshine, December has the least sunshine of the year.

UV index

March and December, with an average maximum UV index of 1, are months with the lowest UV index in Sand Point. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 1 during December leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 37°F (2.8°C) and 33.4°F (0.8°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 81%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 18.2 days and typically aggregates up to 4.45" (113mm) of precipitation.

How much does it rain in December?

In Sand Point, in December, during 18.2 rainfall days, 4.45" (113mm) of precipitation is typically accumulated.

How many days does it snow in December in Sand Point?

In December, it is snowing for 10.2 days. Throughout December, 3.82" (97mm) of snow is accumulated.

What is the ocean temperature in December?

In Sand Point, in December, the average water temperature is 42.3°F (5.7°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 Sand Point?

December has the shortest days of the year, with an average of 7h and 12min of daylight.

What is the average length of the day in December?

The average day length in December is 7h and 13min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 9:46 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 10:08 am and sunset at 5:22 pm AKST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 2.3h of sunshine.

How many hours of sunshine does Sand Point have in December?

In December, the average sunshine duration in Sand Point is 2.3h.

What are the months with the lowest UV index?

The months with the lowest UV index are March and December, with an average maximum UV index of 1.

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sand Point, AK

Average temperature in December - Sand Point, AK
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is August (54.7°F).
The month with the lowest average high temperature is March (34°F).

  • Average low temperature in December: 33.4°F

The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is March (28.9°F).

Average pressure in December
Sand Point, AK

Average pressure in December - Sand Point, AK
  • Average pressure in December: 29.52"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The months with the lowest atmospheric pressure are January and December (29.52"Hg).

Average wind speed in December
Sand Point, AK

Average wind speed in December - Sand Point, AK
  • Average wind speed in December: 16.8mph

The windiest month (with the highest average wind speed) is December (16.8mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).

Average humidity in December
Sand Point, AK

Average humidity in December - Sand Point, AK
  • Average humidity in December: 81%

The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is November (79%).

Average rainfall in December
Sand Point, AK

Average rainfall in December - Sand Point, AK
  • Average rainfall in December: 4.45"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (1.26").

Average rainfall days in December
Sand Point, AK

Average rainfall days in December - Sand Point, AK
  • Average rainfall days in December: 18.2 days

The month with the highest number of rainy days is December (18.2 days).
The month with the least rainy days is June (10.3 days).

Average snowfall in December
Sand Point, AK

Average snowfall in December - Sand Point, AK
  • Average snowfall in December: 3.82"

The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sand Point, AK

Average snowfall days in December - Sand Point, AK
  • Average snowfall days in December: 10.2 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in December
Sand Point, AK

Average sea temperature in December - Sand Point, AK
  • Average sea temperature in December: 42.2°F

The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is March (38°F).

Average daylight in December /
Average sunshine in December
Sand Point, AK

Average daylight in December / Average sunshine in December - Sand Point, AK
  • Average daylight in December: 7h and 1min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

Average sunshine days in December
Sand Point, AK

Average sunshine days in December - Sand Point, AK
  • Average sunshine days in December: 4.6 days

The month with the most sunshine days is June (17.7 days).
The month with the least sunshine days is December (4.6 days).

Average UV index in December
Sand Point, AK

Average UV index in December - Sand Point, AK
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are March and December (UV index 1).

Average cloud cover in December
Sand Point, AK

Average cloud cover in December - Sand Point, AK
  • Average cloud cover in December: 68

The months with the most cloud cover are February and December (Cloud cover 68).
The months with the least cloud cover are March and September (Cloud cover 60).

Average visibility in December
Sand Point, AK

Average visibility in December - Sand Point, AK
  • Average visibility in December: 5mi

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

Sand Point, Alaska, USA

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