Clifton weather in December

In December, Clifton sees average daytime highs of 35°F and overnight lows near 15°F, with 1.5 in of precipitation across 7.3 wet days and about 9.3 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 39°F in the first days to 32°F by the end. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Clifton's 7th-clearest and 11th-windiest month. For the whole year in context, see Clifton's year-round climate.

Daytime high
35°
11th warmest
Overnight low
15°
2nd coldest
Precipitation
1.5 in
7.3 wet days
Daylight
9 h 18 min
7:32 AM – 4:48 PM
Cloud cover
47%
7th clearest
Wind
3 mph
11th windiest
Solar energy
2.58 kWh/m²
Travel score
0.0
out of 10

Clifton is census-designated place in Mesa County, Colorado, United States.

Density
1,250/km²
people per km²

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 39°F in the first days to 32°F by the end.

A typical December day in Clifton reaches about 35°F in the afternoon and slips back to 15°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 25°F and 44°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)
13919
23919
33819
43818
53818
63717
73717
83717
93617
103616
113616
123515
133515
143515
153515
163414
173414
183414
193313
203313
213313
223313
233312
243312
253312
263212
273212
283212
293212
303212
313212

How December really feels in Clifton

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
16 feel bitter (≤ 14°F)

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

Clifton weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 13°1.57.57.29.60.0
Feb39° / 19°1.798.110.50.0
Mar49° / 27°2.09.56.511.72.2
Apr58° / 34°2.09.73.8134.5
May70° / 44°1.98.80.614.16.8
Jun82° / 53°1.04.8014.77.0
Jul87° / 60°2.28.6014.55.1
Aug83° / 58°3.211.7013.55.9
Sep75° / 49°2.78.90.112.37.3
Oct62° / 37°2.08.11.6115.8
Nov47° / 25°1.774.99.91.6
Dec35° / 15°1.57.37.39.30.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36337
46238
56238
66139
76139
86139
96040
106040
116040
126040
136040
145941
155941
165941
176040
186040
196040
206040
216040
226040
235941
245941
255941
265941
275842
285842
295842
305743
315644

Chance of precipitation in December

Any precipitationSnow

Clifton gets around 1.5 in of rain and snow over 7.3 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 24% and peaks near 24% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12219
22219
32220
42220
52221
62321
72322
82322
92322
102423
112423
122424
132424
142424
152424
162425
172425
182425
192425
202425
212425
222425
232425
242425
252325
262425
272425
282424
292424
302424
312424

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 3 mph in December.

Across December, daily wind ranges from about 3 mph on the calmest days to 3 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 min at the start of December to 9 h 18 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 7:20 AM to 7:38 AM, and sunset from 4:47 PM to 4:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:204:47
29.47:214:47
39.47:224:47
49.47:234:47
59.47:244:47
69.47:244:47
79.47:254:47
89.37:264:47
99.37:274:47
109.37:284:47
119.37:284:47
129.37:294:47
139.37:304:47
149.37:314:47
159.37:314:48
169.37:324:48
179.37:334:48
189.37:334:49
199.37:344:49
209.37:344:49
219.37:354:50
229.37:354:50
239.37:364:51
249.37:364:51
259.37:374:52
269.37:374:52
279.37:374:53
289.37:384:54
299.37:384:54
309.37:384:55
319.37:384:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.58 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 8.07 kWh/m² in June across the year — December's 2.58 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.7Moderate
Planning a trip in December

Is December a good time to visit Clifton?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Clifton.

What to pack for Clifton in December

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

In December, Clifton sees daytime highs around 35°F and nights near 15°F. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Clifton in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Clifton peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 16UV 11Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr6High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep7Very high
Oct6High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Clifton?

Clifton sits at 39.1°N, 108.4°W, 4,724 ft above sea level, in United States. The nearest listed city is Grand Junction, 5.6 mi away.

Topography around Clifton

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

Within 2 miles, the terrain around Clifton has only modest variations in elevation — a maximum elevation change of 322 ft around an average of 4,728 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,150 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,149 ft.

The land around Clifton is covered by artificial surfaces (31%) and grassland (21%) within 2 miles, grassland (34%) and bare terrain (22%) within 10 miles, and trees (40%), grassland (25%) and shrubs (22%) within 50 miles.

2 miles
322 ft
10 miles
4,150 ft
50 miles
7,149 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Grand Junction 5.6 mi · Montrose 52 mi · Moab 69 mi · Telluride 87 mi · Aspen 88 mi · Durango 129 mi · Farmington 164 mi · Rock Springs 177 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 Clifton (39.0919°, -108.449°, elevation 4,724 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).