December weather forecast and climate
Excursion Inlet, AK

Weather in December

The first month of the winter, December, is still a freezing cold month in Excursion Inlet, Alaska, with temperature in the range of an average high of 31.8°F (-0.1°C) and an average low of 27.3°F (-2.6°C).

Temperature

In Excursion Inlet, the average high-temperature in December is essentially the same as in November - a freezing cold 31.8°F (-0.1°C). In December, in Excursion Inlet, the average low-temperature is 27.3°F (-2.6°C).

Humidity

In Excursion Inlet, Alaska, the average relative humidity is 87%.

Rainfall

In December, in Excursion Inlet, Alaska, the rain falls for 12.8 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. Throughout the year, in Excursion Inlet, Alaska, there are 182.7 rainfall days, and 37.4" (950mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Excursion Inlet, Alaska, are January through April, October through December. In Excursion Inlet, during December, snow falls for 11.9 days and regularly aggregates up to 11.18" (284mm) of snow. Throughout the year, there are 60.8 snowfall days, and 53.78" (1366mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 6.5h of daylight.

Sunshine

January and December, with an average of 2.9h of sunshine, are months with the least sunshine in Excursion Inlet.

UV index

Months with the lowest UV index in Excursion Inlet, Alaska, are November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Excursion Inlet?

The average high-temperature, in December, is 31.8°F (-0.1°C), while the average low-temperature is 27.3°F (-2.6°C).

What is the average humidity in December in Excursion Inlet?

In Excursion Inlet, the average relative humidity in December is 87%.

How much does it rain in Excursion Inlet in December?

In December, in Excursion Inlet, the rain falls for 12.8 days. Throughout December, 3.58" (91mm) of precipitation is accumulated.

How many days does it snow in December in Excursion Inlet?

In Excursion Inlet, in December, snow falls for 11.9 days, with typically accumulated 11.18" (284mm) of snow.

What is the month with the shortest days in Excursion Inlet?

With an average of 6.5h of daylight, December has the shortest days of the year in Excursion Inlet.

What is the average length of the day in December in Excursion Inlet?

In Excursion Inlet, Alaska, the average length of the day in December is 6.5h.

What is the month with the least sunshine in Excursion Inlet?

January and December, with an average of 2.9h of sunshine, are months with the least sunshine in Excursion Inlet, Alaska.

How long on average sun shines in December in Excursion Inlet?

In Excursion Inlet, Alaska, the average sunshine in December is 2.9h.

When is the lowest UV index in Excursion Inlet?

November and December, with an average maximum UV index of 1, are months with the lowest UV index in Excursion Inlet, Alaska.

How high is the UV index in December in Excursion Inlet?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Excursion Inlet, AK

Average temperature in December - Excursion Inlet, AK
  • Average high temperature in December: 31.8°F

The warmest month (with the highest average high temperature) is July (57.2°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).

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Average pressure in December
Excursion Inlet, AK

Average pressure in December - Excursion Inlet, AK
  • Average pressure in December: 29.83"

The month with the highest atmospheric pressure is July (30.03").
The month with the lowest atmospheric pressure is November (29.77").

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Average wind speed in December
Excursion Inlet, AK

Average wind speed in December - Excursion Inlet, AK
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is January (7mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).

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Average humidity in December
Excursion Inlet, AK

Average humidity in December - Excursion Inlet, AK
  • Average humidity in December: 87%

The month with the highest relative humidity is August (90%).
The month with the lowest relative humidity is November (84%).

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Average rainfall in December
Excursion Inlet, AK

Average rainfall in December - Excursion Inlet, AK
  • Average rainfall in December: 3.58"

The wettest months (with the highest rainfall) are October and November (4.21").
The driest month (with the least rainfall) is May (1.61").

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Average rainfall days in December
Excursion Inlet, AK

Average rainfall days in December - Excursion Inlet, AK
  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (8.2 days).

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Average snowfall in December
Excursion Inlet, AK

Average snowfall in December - Excursion Inlet, AK
  • Average snowfall in December: 11.18"

The month with the highest snowfall is January (11.22").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Excursion Inlet, AK

Average snowfall days in December - Excursion Inlet, AK
  • Average snowfall days in December: 11.9 days

The month with the highest number of snowfall days is March (13.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Excursion Inlet, AK

Average daylight in December / Average sunshine in December - Excursion Inlet, AK
  • Average daylight in December: 6.5h

The month with the longest days is June (Average daylight: 18.2h).
The month with the shortest days is December (Average daylight: 6.5h).

  • Average sunshine in December: 2.9h

The month with the most sunshine is June (Average sunshine: 7.7h).
Months with the least sunshine are January and December (Average sunshine: 2.9).

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Average sunshine days in December
Excursion Inlet, AK

Average sunshine days in December - Excursion Inlet, AK
  • Average sunshine days in December: 10.5 days

Months with the most sunshine days are February and May (12.5 days).
The month with the least sunshine days is June (7.7 days).

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Average UV index in December
Excursion Inlet, AK

Average UV index in December - Excursion Inlet, AK
  • Average UV index in December: 1

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

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Average cloud cover in December
Excursion Inlet, AK

Average cloud cover in December - Excursion Inlet, AK
  • Average cloud cover in December: 70

The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 56).

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Average visibility in December
Excursion Inlet, AK

Average visibility in December - Excursion Inlet, AK
  • Average visibility in December: 5mi

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
Months with the lowest visibility are July and August (4mi).

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