Vail weather in December

In December, Vail sees average daytime highs of 61°F and overnight lows near 38°F, with 1.2 in of precipitation across 4.3 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 64°F in the first days to 60°F by the end. The sky is clear or mostly clear about 59% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of December to 9 h 54 min by month's end. Set against the rest of the year, December is Vail's 9th-clearest and 9th-windiest month. For the whole year in context, see Vail's year-round climate.

Daytime high
61°
12th warmest
Overnight low
38°
2nd coldest
Precipitation
1.2 in
4.3 wet days
Daylight
9 h 54 min
7:22 AM – 5:16 PM
Cloud cover
36%
9th clearest
Wind
5 mph
9th windiest
Solar energy
3.45 kWh/m²
Travel score
6.2
out of 10

Vail is census designated place in Pima County, Arizona, United States.

Density
174/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 64°F in the first days to 60°F by the end.

A typical December day in Vail reaches about 61°F in the afternoon and slips back to 38°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 71°F. Set against its neighbours, December runs about 9°F cooler than November and on par with January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16541
26441
36440
46440
56340
66340
76340
86339
96239
106239
116239
126239
136138
146138
156138
166138
176038
186037
196037
206037
216037
226037
236037
246037
256037
266037
276037
286037
296037
306037
316037

How December really feels in Vail

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Vail weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan62° / 38°1.03.80.510.16.4
Feb65° / 41°1.14.20.310.87.0
Mar71° / 46°0.62.90.211.88.2
Apr78° / 51°0.31.7012.88.8
May87° / 59°0.10.9013.66.4
Jun95° / 69°0.31.9014.13.3
Jul94° / 73°2.111.1013.92.9
Aug92° / 71°1.810.6013.23.5
Sep89° / 66°1.35.7012.25.0
Oct81° / 56°0.62.7011.28.0
Nov70° / 46°0.72.8010.48.2
Dec61° / 38°1.24.30.39.96.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% 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 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57327
67327
77327
87228
97228
107327
117327
127327
137327
147327
157327
167327
177327
187327
197327
207327
217327
227228
237228
247327
257228
267228
277228
287228
297228
307228
317129

Chance of precipitation in December

Any precipitationSnow

Vail gets around 1.2 in of rain and snow over 4.3 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 14% and peaks near 14% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1120
2130
3130
4130
5130
6130
7140
8140
9140
10140
11140
12140
13140
14141
15141
16141
17141
18141
19141
20141
21141
22141
23142
24142
25142
26142
27142
28142
29142
30142
31142

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.

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

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 06 min at the start of December to 9 h 54 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 7:11 AM to 7:28 AM, and sunset from 5:14 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:115:14
210.07:125:14
310.07:135:14
410.07:135:14
510.07:145:14
610.07:155:14
710.07:165:14
810.07:165:15
910.07:175:15
1010.07:185:15
119.97:185:15
129.97:195:15
139.97:205:16
149.97:205:16
159.97:215:16
169.97:225:16
179.97:225:17
189.97:235:17
199.97:235:18
209.97:245:18
219.97:245:18
229.97:255:19
239.97:255:19
249.97:265:20
259.97:265:20
269.97:275:21
279.97:275:21
289.97:275:22
299.97:285:23
309.97:285:23
319.97:285:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.45 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 8.29 kWh/m² in June across the year — December's 3.45 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in December

Is December a good time to visit Vail?

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

6.2
Sightseeing
8th-best month of the year
1.0
Beach & pool
12th-best month of the year

December is a reasonable time to visit Vail for sightseeing.

What to pack for Vail in December

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

In December, Vail sees daytime highs around 61°F and nights near 38°F. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Vail in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vail peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr9Very high
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Vail in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Vail is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1715 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May11Good
Jun15Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Vail?

Vail sits at 32.0°N, 110.7°W, 0 ft above sea level, in United States. The nearest listed city is Tanque Verde, 14 mi away.

Topography around Vail

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

Within 2 miles, the terrain around Vail has only modest variations in elevation — a maximum elevation change of 374 ft around an average of 3,212 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,583 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,421 ft.

The land around Vail is covered by shrubs (77%) within 2 miles, shrubs (88%) within 10 miles, and shrubs (76%) within 50 miles.

2 miles
374 ft
10 miles
3,583 ft
50 miles
7,421 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Tanque Verde 14 mi · Sahuarita 16 mi · Tucson 17 mi · Drexel Heights 20 mi · Catalina Foothills 21 mi · Green Valley 21 mi · Flowing Wells 24 mi · Casas Adobes 25 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 Vail (32.0479°, -110.712°, elevation 0 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).