December weather forecast
Alpine, AZ

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Weather in December

December embodies the core winter period in Alpine, Arizona with average temperatures plummeting to a low of 41.5°F (5.3°C) highs. The month registers significant snowfall amounting to 7.8" (198mm), leaving the city veiled in a sheath of white. Holiday festive spirit embraced by the residents is amplified by the snowy weather. Despite the reduced daylight hours, the ample sunshine, combined with falling snow, creates a brilliantly lit, mesmerizing landscape.

Temperature

A change in temperatures is noted in Alpine, Arizona, as November gives way to December, with average highs reducing from a fresh 51.8°F (11°C) to a cold 41.5°F (5.3°C). Throughout December, Alpine registers a consistent average low-temperature of 23.4°F (-4.8°C).

Humidity

In Alpine, the average relative humidity in December is 64%.

Rainfall

In Alpine, in December, it is raining for 3.7 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 105.2 rainfall days, and 20.71" (526mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Alpine are January through May, October through December. In December, it is snowing for 8.4 days. Throughout December, 7.8" (198mm) of snow is accumulated. In Alpine, during the entire year, snow falls for 35.4 days and aggregates up to 28.98" (736mm) of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:04 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:18 pm MST.

Sunshine

December has the least sunshine of the year in Alpine, Arizona, with an average of 6.6h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is it in Alpine in December?

In December, the average high-temperature and low-temperature in Alpine are 41.5°F (5.3°C) and 23.4°F (-4.8°C) respectively.

What is the average humidity in December in Alpine?

In December, the average relative humidity is 64%.

How much does it rain in Alpine in December?

In Alpine, in December, during 3.7 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

How much does it snow in Alpine in December?

In Alpine, Arizona, in December, snow falls for 8.4 days, with typically accumulated 7.8" (198mm) of snow.

What is the month with the shortest days in Alpine?

The month with the shortest days in Alpine, Arizona, is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Alpine have in December?

In December, the average day length in Alpine is 9h and 57min.

When is the sunrise / sunset in December in Alpine?

On the first day of December in Alpine, Arizona, sunrise is at 7:04 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:18 pm MST.

What is the month with the least sunshine in Alpine?

The month with the least sunshine in Alpine is December, with an average of 6.6h of sunshine.

How long on average sun shines in December in Alpine?

In December, the average sunshine duration in Alpine is 6.6h.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Alpine, Arizona.

How high is the UV index in December in Alpine?

The average daily maximum UV index in December in Alpine is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Alpine, AZ

Average temperature in December - Alpine, AZ
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is June (78.1°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in December: 23.4°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in December
Alpine, AZ

Average pressure in December - Alpine, AZ
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Alpine, AZ

Average wind speed in December - Alpine, AZ
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Alpine, AZ

Average humidity in December - Alpine, AZ
  • Average humidity in December: 64%

The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is June (29%).

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Average rainfall in December
Alpine, AZ

Average rainfall in December - Alpine, AZ
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is July (5.43").
The driest month (with the least rainfall) is April (0.59").

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Average rainfall days in December
Alpine, AZ

Average rainfall days in December - Alpine, AZ
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is November (2.5 days).

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Average snowfall in December
Alpine, AZ

Average snowfall in December - Alpine, AZ
  • Average snowfall in December: 7.8"

The month with the highest snowfall is January (7.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Alpine, AZ

Average snowfall days in December - Alpine, AZ
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is December (8.4 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
Alpine, AZ

Average daylight in December / Average sunshine in December - Alpine, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in December
Alpine, AZ

Average sunshine days in December - Alpine, AZ
  • Average sunshine days in December: 20.8 days

The month with the most sunshine days is November (24.4 days).
The month with the least sunshine days is July (4 days).

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Average UV index in December
Alpine, AZ

Average UV index in December - Alpine, AZ
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Alpine, AZ

Average cloud cover in December - Alpine, AZ
  • Average cloud cover in December: 26

The month with the most cloud cover is July (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in December
Alpine, AZ

Average visibility in December - Alpine, AZ
  • Average visibility in December: 6mi

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

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Alpine, Arizona, USA

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