December weather forecast
Farmington, NM

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December

Weather in December

Farmington, New Mexico welcomes the winter wonderland that December brings. The average high temperature falls dramatically to around 39.6°F (4.2°C). December brings about the highest snowfall, with a tally of 3.98" (101mm) offering a classic wintry scene. The longest nights are seen during this month with only 9.7 hours of daylight. Accompanied by the crispness of 65% relative humidity, December's wintry gusts and frosted landscapes conclude the year on a chilly but whimsical note.

Temperature

The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a fresh 52°F (11.1°C) in November to a wintry 39.6°F (4.2°C). In December, the recorded average low-temperature is a freezing cold 25°F (-3.9°C).

Humidity

In Farmington, New Mexico, the average relative humidity in December is 65%.

Rainfall

In Farmington, during December, the rain falls for 6.8 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Farmington, during the entire year, the rain falls for 88.9 days and collects up to 9.57" (243mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Farmington, in December, during 6.4 snowfall days, 3.98" (101mm) of snow is typically accumulated. Throughout the year, there are 25.5 snowfall days, and 14.61" (371mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:07 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:07 pm MST.

Sunshine

In December, the average sunshine is 6.7h.

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 vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding the Sun during its peak radiation time around midday is a healthy practice. During bright days, sunglasses that offer UVA and UVB defense are recommended. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Farmington during December?
In Farmington, 39.6°F (4.2°C) is the average high-temperature and 25°F (-3.9°C) is the average low-temperature during December.
What is the average humidity in December?
In Farmington, the average relative humidity in December is 65%.
How much does it rain in December?
In December, in Farmington, the rain falls for 6.8 days. Throughout December, 0.94" (24mm) of precipitation is accumulated.
How much does it snow in December?
In December, in Farmington, it is snowing for 6.4 days. Throughout December, 3.98" (101mm) of snow is accumulated.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
How many hours of daylight does Farmington have in December?
In Farmington, the average day length in December is 9h and 42min.
When is the sunrise / sunset in December?
In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:56 pm. On the last day of the month, in Farmington, sunrise is at 7:25 am and sunset at 5:07 pm MST.
How long on average sun shines in December?
In December, the average sunshine duration is 6.7h.
What are the months with the lowest UV index in Farmington?
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 Farmington, 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.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
52°F
39.6°F
37.6°F
Average low temperature
33.4°F
25°F
21.9°F
Average pressure
30.1"Hg
30.15"Hg
30.22"Hg
Average wind speed
6.4mph
6mph
5.7mph
Average max. wind speed
7.4mph
6.7mph
6.5mph
Average wind speed gusts
10.6mph
10.3mph
9.9mph
Average humidity
48%
65%
73%
Average rainfall
0.55"
0.94"
0.98"
Average rainfall days
4.8
6.8
6
Average snowfall
0.59"
3.98"
5.04"
Average snowfall days
2.1
6.4
6.5
Average daylight
10h 1min
9h 4min
10h 0min
Average sunshine
7h 2min
6h 4min
6h 4min
Average sunshine days
23
21
21.2
Average UV index
2
2
2
Average cloud cover
14%
25%
27%
Average visibility
6mi
6mi
5mi
Average temperature in December
Farmington, NM
  • Average high temperature in December: 39.6°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in December
Farmington, NM
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Farmington, NM
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

Average humidity in December
Farmington, NM
  • Average humidity in December: 65%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (23%).

Average rainfall in December
Farmington, NM
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is August (1.14").
The driest month (with the least rainfall) is June (0.28").

Average rainfall days in December
Farmington, NM
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is June (3.5 days).

Average snowfall in December
Farmington, NM
  • Average snowfall in December: 3.98"

The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Farmington, NM
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Farmington, NM
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 4min

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 36min).

Average sunshine days in December
Farmington, NM
  • Average sunshine days in December: 21 days

The month with the most sunshine days is June (24.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Farmington, NM
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Farmington, NM
  • Average cloud cover in December: 25

The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 10).

Average visibility in December
Farmington, NM
  • Average visibility in December: 6mi

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

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