December weather forecast
Antonito, CO

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Weather in December

December, the first month of the winter in Antonito, is also a wintry month, with an average temperature ranging between max 33.8°F (1°C) and min 15.4°F (-9.2°C).

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 46.2°F (7.9°C) in November to an icy 33.8°F (1°C). Antonito witnesses an average low-temperature of 15.4°F (-9.2°C) throughout the month of December.

Humidity

In Antonito, the average relative humidity in December is 72%.

Rainfall

The months with the least rainfall are November and December Rain falls for 6.1 days and accumulates 0.39" (10mm) of rain.

Snowfall

Months with snowfall are January through May, September through December. In December, it is snowing for 8.5 days. Throughout December, 3.19" (81mm) of snow is accumulated. Throughout the year, in Antonito, Colorado, there are 44.9 snowfall days, and 22.6" (574mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:47 pm. On the last day of December, in Antonito, sunrise is at 7:17 am and sunset at 4:57 pm MST.

Sunshine

The average sunshine in December in Antonito is 7h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Antonito. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

How cold is December in Antonito?

In December, in Antonito, the average high-temperature is 33.8°F (1°C), and the average low-temperature is 15.4°F (-9.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in July is calculated to be 82.4°F (28°C).

What is the average humidity in December in Antonito?

The average relative humidity in December is 72%.

What is the driest month in Antonito?

The months with the least rainfall are November and December Rain falls for 6.1 days and accumulates 0.39" (10mm) of rain.

How many days does it rain in December in Antonito?

In December, in Antonito, Colorado, the rain falls for 6.1 days. Throughout December, 0.39" (10mm) of precipitation is accumulated.

How much does it snow in Antonito in December?

In Antonito, in December, during 8.5 snowfall days, 3.19" (81mm) of snow is typically accumulated.

What is the month with the shortest days in Antonito?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Antonito.

How many hours of daylight does Antonito have in December?

The average day length in December in Antonito is 9h and 40min.

When are sunrise and sunset in December in Antonito?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:57 pm MST.

How long on average sun shines in December in Antonito?

In December, the average sunshine duration is 7h.

What are the months with the lowest UV index in Antonito?

The months with the lowest UV index in Antonito, Colorado, are January, February, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December in Antonito?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes 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
Antonito, CO

Average temperature in December - Antonito, CO
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 15.4°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in December
Antonito, CO

Average pressure in December - Antonito, CO
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in December
Antonito, CO

Average wind speed in December - Antonito, CO
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Antonito, CO

Average humidity in December - Antonito, CO
  • Average humidity in December: 72%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in December
Antonito, CO

Average rainfall in December - Antonito, CO
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").

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Average rainfall days in December
Antonito, CO

Average rainfall days in December - Antonito, CO
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).

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Average snowfall in December
Antonito, CO

Average snowfall in December - Antonito, CO
  • Average snowfall in December: 3.19"

The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Antonito, CO

Average snowfall days in December - Antonito, CO
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Antonito, CO

Average daylight in December / Average sunshine in December - Antonito, CO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

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Average sunshine days in December
Antonito, CO

Average sunshine days in December - Antonito, CO
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).

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Average UV index in December
Antonito, CO

Average UV index in December - Antonito, CO
  • Average UV index in December: 2

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

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Average cloud cover in December
Antonito, CO

Average cloud cover in December - Antonito, CO
  • Average cloud cover in December: 22

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).

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Average visibility in December
Antonito, CO

Average visibility in December - Antonito, CO
  • Average visibility in December: 6mi

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

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Antonito, Colorado, USA

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