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

December weather forecast and climate
Skagway, AK

A scenic shot of the White Pass & Yukon Route Railroad heading to Skagway in Alaska
A scenic shot of the White Pass & Yukon Route Railroad heading to Skagway in Alaska
December, the first month of the winter, in Skagway, is still a freezing cold month, with temperature in the range of an average high of 17.8°F (-7.9°C) and an average low of 22.8°F (-5.1°C).

Temperature

December is the coldest month, with an average high-temperature of 17.8°F (-7.9°C) and an average low-temperature of 22.8°F (-5.1°C).

Humidity

The average relative humidity in Skagway is 92%.

Rainfall

In Skagway, in December, it is raining for 8 days, with typically 3.66" (93mm) of accumulated precipitation. Throughout the year, there are 172.5 rainfall days, and 33.66" (855mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Skagway, in December, snow falls for 18 days, with typically accumulated 18.11" (460mm) of snow. In Skagway, Alaska, during the entire year, snow falls for 95.8 days, and aggregates up to 78.78" (2001mm) of snow.

Daylight

The month with the shortest days in Skagway is December, with an average of 6.2h of daylight.

Sunshine

The month with the least sunshine in Skagway is December, with an average of 2.8h of sunshine.

UV index

Months with the lowest UV index are January, February, April, September through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
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. 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 coldest month in Skagway?

The coldest month in Skagway, Alaska, is December, with an average high-temperature of 17.8°F (-7.9°C) and an average low-temperature of 22.8°F (-5.1°C).

What is the temperature in December in Skagway?

In December, in Skagway, Alaska, the average high-temperature is 17.8°F (-7.9°C), and the average low-temperature is 22.8°F (-5.1°C).

What is the average humidity in December in Skagway?

In Skagway, the average relative humidity in December is 92%.

How much does it rain in Skagway in December?

In Skagway, Alaska, during December, the rain falls for 8 days and regularly aggregates up to 3.66" (93mm) of precipitation.

How many days does it snow in December in Skagway?

In Skagway, during December, snow falls for 18 days and regularly aggregates up to 18.11" (460mm) of snow.

What is the month with the shortest days in Skagway?

December has the shortest days of the year, with an average of 6.2h of daylight.

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

The average length of the day in December in Skagway, Alaska, is 6.2h.

What is the month with the least sunshine in Skagway?

December has the least sunshine of the year in Skagway, Alaska, with an average of 2.8h of sunshine.

How many hours of sunshine does Skagway have in December?

In December, the average sunshine in Skagway, Alaska, is 2.8h.

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

Months with the lowest UV index in Skagway, Alaska, are January, February, April, September through December, with an average maximum UV index of 1.

How high is the UV index in December in Skagway?

In Skagway, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.
Average temperature in December - Skagway, AK
  • Average high temperature in December: 17.8°F

The warmest month (with the highest average high temperature) is July (54.9°F).
The month with the lowest average high temperature is December (17.8°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (17.3°F).

Average humidity in December - Skagway, AK
  • Average humidity in December: 92%

The month with the highest relative humidity is January (94%).
Months with the lowest relative humidity are June and July (80%).

Average rainfall in December - Skagway, AK
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is January (4.13").
The driest month (with the lowest rainfall) is May (1.54").

Average rainfall days in December - Skagway, AK
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is August (19.6 days).
The month with the lowest number of rainy days is February (7.2 days).

Average snowfall in December - Skagway, AK
  • Average snowfall in December: 18.11"

The month with the highest snowfall is January (19.69").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in December - Skagway, AK
  • Average snowfall days in December: 18 days

The month with the highest number of snowfall days is January (18.7 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Skagway, AK
  • Average daylight in December: 6.2h

The month with the longest days is June (Average daylight: 18.5h).
The month with shortest days is December (Average daylight: 6.2h).

  • Average sunshine in December: 2.8h

The month with most sunshine is June (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 2.8h).

Average UV index in December - Skagway, AK
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 3).
Months with the lowest UV index are January, February, April, September, October, November and December (UV index 1).