December weather forecast
Hyder, AK

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Weather in December

The first month of the winter, December, is also a subzero cold month in Hyder, Alaska, with temperature in the range of an average high of 21.9°F (-5.6°C) and an average low of 13.1°F (-10.5°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 21.9°F (-5.6°C) to a low of 13.1°F (-10.5°C).

Humidity

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

Rainfall

In Hyder, in December, it is raining for 11.4 days, with typically 5.28" (134mm) of accumulated precipitation. Throughout the year, there are 179.3 rainfall days, and 48.31" (1227mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hyder are January through May, October through December. December is the month with the most snowfall in Hyder, Alaska. Snow falls for 17.5 days and accumulates 23.78" (604mm) of snow.

Daylight

December has the shortest days of the year in Hyder, with an average of 7h and 6min of daylight.
On the first day of the month, sunrise is at 7:47 am and sunset at 3:11 pm. On the last day of December, in Hyder, sunrise is at 8:10 am and sunset at 3:16 pm AKST.

Sunshine

In Hyder, the average sunshine in December is 2.4h.

UV index

January through March, September through December, with an average maximum UV index of 1, are months with the lowest UV index. 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: In December, the maximum UV index of 1 suggests these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What month is the coldest in Hyder?

December, with average temperatures reaching a high of 21.9°F (-5.6°C) and a low of 13.1°F (-10.5°C), is the coldest month in Hyder.

How cold is December in Hyder?

In Hyder, 21.9°F (-5.6°C) is the average high-temperature and 13.1°F (-10.5°C) is the average low-temperature during December.

What is the average humidity in December in Hyder?

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

How much does it rain in Hyder in December?

In Hyder, in December, it is raining for 11.4 days, with typically 5.28" (134mm) of accumulated precipitation.

When does it snow the most in Hyder?

December is the month with the most snowfall. Snow falls for 17.5 days and accumulates 23.78" (604mm) of snow.

How much does it snow in Hyder in December?

In Hyder, during December, snow falls for 17.5 days and regularly aggregates up to 23.78" (604mm) of snow.

What is the month with the shortest days in Hyder?

With an average of 7h and 6min of daylight, December has the shortest days of the year in Hyder, Alaska.

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

The average day length in December is 7h and 5min.

When is the sunrise / sunset in December in Hyder?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 3:11 pm. On the last day of the month, in Hyder, sunrise is at 8:10 am and sunset at 3:16 pm AKST.

How long on average sun shines in December in Hyder?

The average sunshine duration in December is 2.4h.

When is the lowest UV index in Hyder?

January through March, September through December, with an average maximum UV index of 1, are months with the lowest UV index in Hyder.

How high is the UV index in December in Hyder?

In December, the average daily maximum UV index in Hyder is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Hyder, AK

Average temperature in December - Hyder, AK
  • Average high temperature in December: 21.9°F

The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is December (21.9°F).

  • Average low temperature in December: 13.1°F

The month with the highest average low temperature is July (43.9°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure in December
Hyder, AK

Average pressure in December - Hyder, AK
  • Average pressure in December: 29.96"Hg

The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.87"Hg).

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Average wind speed in December
Hyder, AK

Average wind speed in December - Hyder, AK
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest months (with the lowest average wind speed) are June, July and August (4.1mph).

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Average humidity in December
Hyder, AK

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

The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are May, June and July (82%).

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Average rainfall in December
Hyder, AK

Average rainfall in December - Hyder, AK
  • Average rainfall in December: 5.28"

The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is June (1.57").

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Average rainfall days in December
Hyder, AK

Average rainfall days in December - Hyder, AK
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is April (21 days).
The months with the least rainy days are February, July and December (11.4 days).

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Average snowfall in December
Hyder, AK

Average snowfall in December - Hyder, AK
  • Average snowfall in December: 23.78"

The month with the highest snowfall is December (23.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Hyder, AK

Average snowfall days in December - Hyder, AK
  • Average snowfall days in December: 17.5 days

The month with the highest number of snowfall days is December (17.5 days).
The 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
Hyder, AK

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

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is June (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in December
Hyder, AK

Average sunshine days in December - Hyder, AK
  • Average sunshine days in December: 9.1 days

The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is April (6.4 days).

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Average UV index in December
Hyder, AK

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

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 1).

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Average cloud cover in December
Hyder, AK

Average cloud cover in December - Hyder, AK
  • Average cloud cover in December: 70

The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 57).

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Average visibility in December
Hyder, AK

Average visibility in December - Hyder, AK
  • Average visibility in December: 3mi

The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January and December (3mi).

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Hyder, Alaska, USA

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