December weather forecast
Santa Fe, NM

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Beautiful sunset over the St. Francis of Assisi Basilica in Santa Fe, New Mexico
Beautiful sunset over the St. Francis of Assisi Basilica in Santa Fe, New Mexico

Weather in December

Ending the year on a chilly note, December in Santa Fe brings the full force of winter. The temperature further dips to 39.7°F (4.3°C), and a heavier snowfall of 5.71" (145mm) over 7.9 days blankets the city. December is significantly colder and snowier than November, creating a perfect setting for the holiday season. Daylight hours are at their shortest, adding to the winter atmosphere. With snow-frosted streets and twinkling holiday lights, December is a picturesque end to the city's diverse climatic ballet.

Temperature

Arrival of December comes with a reduction in the average high-temperature, falling from a fresh 50.5°F (10.3°C) in November to a cold 39.7°F (4.3°C). During December, the temperature is averaged to a low of 21.6°F (-5.8°C) at night.

Humidity

In December, the average relative humidity is 64%.

Rainfall

In Santa Fe, in December, it is raining for 6.5 days, with typically 0.75" (19mm) of accumulated precipitation. In Santa Fe, during the entire year, the rain falls for 90.3 days and collects up to 9.8" (249mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 7.9 days and typically aggregates up to 5.71" (145mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:55 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:00 pm MST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 7.1h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The high-temperature, in December, in Santa Fe, records 39.7°F (4.3°C), while the low-temperature is 21.6°F (-5.8°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 82.4°F (28°C).

What is the average humidity in December?

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

How much does it rain in December?

In Santa Fe, during December, the rain falls for 6.5 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 7.9 days and accumulates 5.71" (145mm) of snow.

How many days does it snow in December?

In Santa Fe, during December, snow falls for 7.9 days and regularly aggregates up to 5.71" (145mm) of snow.

What is the month with the shortest days?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Santa Fe.

How many hours of daylight does Santa Fe have in December?

In December, the average day length is 9h and 47min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:55 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:00 pm MST.

What is the month with the least sunshine in Santa Fe?

The months with the least sunshine in Santa Fe are January, February and December, with an average of 7.1h of sunshine.

How many hours of sunshine does Santa Fe have in December?

The average sunshine duration in December is 7.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Santa Fe, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
Santa Fe, NM

Average temperature in December - Santa Fe, NM
  • Average high temperature in December: 39.7°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in December: 21.6°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

Average pressure in December
Santa Fe, NM

Average pressure in December - Santa Fe, NM
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.88"Hg).

Average wind speed in December
Santa Fe, NM

Average wind speed in December - Santa Fe, NM
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in December
Santa Fe, NM

Average humidity in December - Santa Fe, NM
  • Average humidity in December: 64%

The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is June (32%).

Average rainfall in December
Santa Fe, NM

Average rainfall in December - Santa Fe, NM
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is April (0.55").

Average rainfall days in December
Santa Fe, NM

Average rainfall days in December - Santa Fe, NM
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (3.4 days).

Average snowfall in December
Santa Fe, NM

Average snowfall in December - Santa Fe, NM
  • Average snowfall in December: 5.71"

The month with the highest snowfall is December (5.71").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Santa Fe, NM

Average snowfall days in December - Santa Fe, NM
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is December (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Santa Fe, NM

Average daylight in December / Average sunshine in December - Santa Fe, NM
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 6min).

Average sunshine days in December
Santa Fe, NM

Average sunshine days in December - Santa Fe, NM
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is November (23.6 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Santa Fe, NM

Average UV index in December - Santa Fe, NM
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Santa Fe, NM

Average cloud cover in December - Santa Fe, NM
  • Average cloud cover in December: 21

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 10).

Average visibility in December
Santa Fe, NM

Average visibility in December - Santa Fe, NM
  • 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).

Santa Fe, New Mexico, USA

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