Farmington weather in December

In December, Farmington sees average daytime highs of 40°F and overnight lows near 20°F, with 0.9 in of precipitation across 5.1 wet days and about 9.5 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 44°F in the first days to 37°F by the end. The sky is clear or mostly clear about 52% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Farmington's 8th-clearest and 12th-windiest month. For the whole year in context, see Farmington's year-round climate.

Daytime high
40°
11th warmest
Overnight low
20°
2nd coldest
Precipitation
0.9 in
5.1 wet days
Daylight
9 h 30 min
7:24 AM – 4:54 PM
Cloud cover
42%
8th clearest
Wind
5 mph
12th windiest
Solar energy
2.85 kWh/m²
Travel score
0.2
out of 10

Farmington is city in San Juan County, New Mexico, United States.

Density
34,075/km²
people per km²
Founded
1901

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 44°F in the first days to 37°F by the end.

A typical December day in Farmington reaches about 40°F in the afternoon and slips back to 20°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 30°F and 50°F. Set against its neighbours, December runs about 12°F cooler than November and on par with January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14524
24524
34424
44423
54423
64323
74323
84222
94222
104222
114121
124121
134121
144020
154020
164020
174020
183920
193919
203919
213819
223819
233819
243818
253818
263818
273818
283818
293718
303718
313718

How December really feels in Farmington

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
31
20 feel bitter (≤ 14°F)

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Farmington weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 19°1.15.84.79.80.0
Feb47° / 25°0.95.83.510.61.6
Mar57° / 32°0.95.31.511.74.7
Apr65° / 39°0.74.30.912.97.0
May76° / 48°0.73.60.213.98.1
Jun87° / 57°0.31.8014.56.1
Jul90° / 64°0.74.4014.34.5
Aug87° / 62°0.94.5013.45.5
Sep79° / 54°1.24.5012.27.9
Oct67° / 41°1.150.311.17.3
Nov52° / 30°0.84.51.6103.5
Dec40° / 20°0.95.13.89.50.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36832
46733
56733
66634
76634
86634
96634
106634
116535
126535
136634
146634
156634
166634
176634
186634
196634
206535
216535
226634
236634
246535
256535
266535
276535
286436
296436
306436
316436

Chance of precipitation in December

Any precipitationSnow

Farmington gets around 0.9 in of rain and snow over 5.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 17% and peaks near 19% on the wettest days, and about 4 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1159
2159
3159
41510
51610
61610
71611
81611
91611
101711
111712
121712
131712
141713
151813
161813
171813
181814
191814
201814
211814
221814
231814
241814
251814
261814
271814
281914
291914
301915
311915

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 5 mph in December, the calmest month.

Across December, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
156calm
166calm
176calm
186calm
196calm
206calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:13 AM to 7:30 AM, and sunset from 4:53 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:134:53
29.77:134:53
39.67:144:52
49.67:154:52
59.67:164:52
69.67:174:52
79.67:184:52
89.67:184:52
99.67:194:53
109.57:204:53
119.57:214:53
129.57:214:53
139.57:224:53
149.57:234:53
159.57:234:54
169.57:244:54
179.57:254:54
189.57:254:55
199.57:264:55
209.57:264:55
219.57:274:56
229.57:274:56
239.57:284:57
249.57:284:57
259.57:294:58
269.57:294:58
279.57:294:59
289.57:305:00
299.57:305:00
309.57:305:01
319.57:305:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 8.53 kWh/m² in June across the year — December's 2.85 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
32.9Moderate
42.9Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in December

Is December a good time to visit Farmington?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Farmington.

What to pack for Farmington in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Farmington sees daytime highs around 40°F and nights near 20°F. Pack a warm layer and a heavy coat. About 5 days see rain.

a warm layera heavy coat

UV index in Farmington in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Farmington peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar6High
Apr6High
May9Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Farmington?

Farmington sits at 36.7°N, 108.2°W, 5,299 ft above sea level, in United States. The nearest listed city is Durango, 42 mi away.

Topography around Farmington

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Farmington.

Within 2 miles, the terrain around Farmington has only modest variations in elevation — a maximum elevation change of 614 ft around an average of 5,361 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,086 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,448 ft.

The land around Farmington is covered by artificial surfaces (35%), bare terrain (31%) and shrubs (20%) within 2 miles, shrubs (36%) and bare terrain (30%) within 10 miles, and bare terrain (33%), grassland (24%) and shrubs (21%) within 50 miles.

2 miles
614 ft
10 miles
1,086 ft
50 miles
8,448 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Durango 42 mi · Telluride 86 mi · Gallup 88 mi · Montrose 122 mi · Enchanted Hills 132 mi · Rio Rancho 135 mi · Albuquerque 144 mi · Santa Fe 146 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Farmington (36.7281°, -108.2187°, elevation 5,299 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).