Holladay weather in December

In December, Holladay sees average daytime highs of 32°F and overnight lows near 16°F, with 2.6 in of precipitation across 10.1 wet days and about 9.1 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 35°F in the first days to 30°F by the end. The sky is clear or mostly clear about 30% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Holladay's 11th-clearest and 10th-windiest month. For the whole year in context, see Holladay's year-round climate.

Daytime high
32°
11th warmest
Overnight low
16°
1st coldest
Precipitation
2.6 in
10.1 wet days
Daylight
9 h 06 min
7:50 AM – 4:57 PM
Cloud cover
60%
11th clearest
Wind
4 mph
10th windiest
Solar energy
2.12 kWh/m²
Travel score
0.0
out of 10

Holladay is city in Salt Lake County, Utah, United States.

Density
1,404/km²
people per km²
Founded
1847

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 35°F in the first days to 30°F by the end.

A typical December day in Holladay reaches about 32°F in the afternoon and slips back to 16°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 21°F and 42°F. Set against its neighbours, December runs about 10°F cooler than November and on par with January.

20°40°151015202531
Avg high (°F)Avg low (°F)
13518
23518
33518
43418
53417
63417
73317
83317
93317
103317
113317
123217
133216
143216
153216
163116
173116
183116
193116
203116
213116
223016
233016
243016
253015
263015
273015
283016
293016
303016
313016

How December really feels in Holladay

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
31 feel bitter (≤ 14°F)

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

Holladay weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 17°2.811.511.89.40.0
Feb36° / 21°2.310.310.410.40.0
Mar45° / 27°2.511.210.111.70.9
Apr51° / 31°3.112.79.313.12.4
May62° / 39°2.811.83.514.25.1
Jun74° / 48°1.56.50.414.97.6
Jul84° / 57°0.94.7014.66.7
Aug82° / 56°0.95.1013.67.2
Sep72° / 47°1.86.50.612.37.6
Oct57° / 35°2.28.33.810.94.6
Nov42° / 23°2.39.58.59.70.6
Dec32° / 16°2.610.110.39.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24951
34852
44852
54753
64753
74753
84753
94654
104555
114555
124555
134555
144456
154456
164456
174456
184357
194357
204357
214357
224258
234357
244357
254357
264357
274357
284357
294357
304258
314258

Chance of precipitation in December

Any precipitationSnow

Holladay gets around 2.6 in of rain and snow over 10.1 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 33% and peaks near 34% on the wettest days, and about 10 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13433
23433
33433
43432
53432
63432
73432
83432
93433
103333
113333
123333
133333
143334
153334
163334
173334
183335
193335
203235
213235
223234
233234
243234
253234
263234
273234
283234
293234
303334
313335

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 4 mph in December.

Across December, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 18 min at the start of December to 9 h 06 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 7:38 AM to 7:57 AM, and sunset from 4:56 PM to 5:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:384:56
29.37:394:56
39.37:404:56
49.27:414:56
59.27:424:55
69.27:434:55
79.27:444:55
89.27:444:55
99.27:454:55
109.27:464:55
119.17:474:56
129.17:484:56
139.17:484:56
149.17:494:56
159.17:504:56
169.17:504:57
179.17:514:57
189.17:524:57
199.17:524:58
209.17:534:58
219.17:534:58
229.17:544:59
239.17:544:59
249.17:555:00
259.17:555:00
269.17:555:01
279.17:565:02
289.17:565:02
299.17:565:03
309.17:575:03
319.17:575:04

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.12 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 8.11 kWh/m² in June across the year — December's 2.12 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Is December a good time to visit Holladay?

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
8th-best month of the year

December is a weaker month for outdoor sightseeing in Holladay.

What to pack for Holladay in December

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

In December, Holladay sees daytime highs around 32°F and nights near 16°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Holladay 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 Holladay peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Holladay 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 Holladay is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1521 µg/m³Jun 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Moderate
Apr10Good
May10Good
Jun9Good
Jul11Good
Aug14Moderate
Sep22Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is Holladay?

Holladay sits at 40.7°N, 111.8°W, 4,465 ft above sea level, in United States. The nearest listed city is East Millcreek, 2.5 mi away.

Topography around Holladay

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

Within 2 miles, the terrain around Holladay has large variations in elevation — a maximum elevation change of 2,785 ft around an average of 4,652 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 7,051 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,635 ft.

The land around Holladay is covered by trees (53%) and artificial surfaces (36%) within 2 miles, trees (44%) and artificial surfaces (35%) within 10 miles, and grassland (39%) and trees (30%) within 50 miles.

2 miles
2,785 ft
10 miles
7,051 ft
50 miles
7,635 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: East Millcreek 2.5 mi · Millcreek 3.1 mi · Murray 3.1 mi · Cottonwood Heights 3.7 mi · South Salt Lake 5.0 mi · Midvale 5.6 mi · Taylorsville 6.2 mi · Sandy 6.2 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 Holladay (40.6688°, -111.8247°, elevation 4,465 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).