Rome weather in December

In December, Rome sees average daytime highs of 34°F and overnight lows near 22°F, with 4.8 in of precipitation across 16.7 wet days and about 8.9 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 38°F in the first days to 32°F by the end. The sky is clear or mostly clear about 8% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of December to 8 h 48 min by month's end. Set against the rest of the year, December is Rome's 11th-clearest and 4th-windiest month. For the whole year in context, see Rome's year-round climate.

Daytime high
34°
10th warmest
Overnight low
22°
3rd coldest
Precipitation
4.8 in
16.7 wet days
Daylight
8 h 48 min
7:34 AM – 4:22 PM
Cloud cover
81%
11th clearest
Wind
7 mph
4th windiest
Solar energy
1.23 kWh/m²
Travel score
0.0
out of 10

Rome is city in Oneida County, New York, United States.

Density
166/km²
people per km²
Founded
1870

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 38°F in the first days to 32°F by the end.

A typical December day in Rome reaches about 34°F in the afternoon and slips back to 22°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 22°F and 47°F. Set against its neighbours, December runs about 11°F cooler than November and about 5°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
13926
23926
33826
43825
53725
63724
73724
83624
93623
103523
113522
123522
133522
143422
153421
163421
173421
183321
193320
203320
213320
223320
233320
243320
253320
263219
273219
283219
293219
303219
313119

How December really feels in Rome

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
21 feel bitter (≤ 14°F)

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

Rome weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan29° / 15°4.215.614.69.20.0
Feb31° / 16°3.512.711.910.20.0
Mar40° / 24°4.213.78.511.60.3
Apr54° / 37°4.813.92.713.23.0
May66° / 47°4.613.40.114.45.5
Jun74° / 56°5.313.8015.16.2
Jul78° / 61°4.813.4014.96.2
Aug76° / 59°4.412.5013.86.6
Sep70° / 52°4.410.8012.36.3
Oct57° / 42°5.113.90.510.83.8
Nov45° / 31°4.514.95.59.50.9
Dec34° / 22°4.816.7138.90.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51882
61882
71981
81882
91882
101882
111882
121783
131783
141783
151684
161684
171585
181585
191585
201387
211387
221387
231288
241288
251288
261387
271387
281288
291288
301288
311288

Chance of precipitation in December

Any precipitationSnow

Rome gets around 4.8 in of rain and snow over 16.7 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 55% and peaks near 57% on the wettest days, and about 13 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15733
25734
35735
45736
55638
65639
75540
85541
95541
105442
115442
125443
135443
145343
155343
165343
175343
185342
195342
205342
215343
225343
235343
245443
255444
265444
275545
285546
295646
305647
315647

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 7 mph in December.

Across December, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237light breeze
247light breeze
257light breeze
267light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 hours at the start of December to 8 h 48 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 7:40 AM, and sunset from 4:23 PM to 4:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.07:204:23
29.07:214:22
39.07:234:22
49.07:244:22
59.07:244:22
68.97:254:22
78.97:264:22
88.97:274:22
98.97:284:22
108.97:294:22
118.97:304:22
128.97:314:22
138.87:314:22
148.87:324:22
158.87:334:22
168.87:344:22
178.87:344:23
188.87:354:23
198.87:354:23
208.87:364:24
218.87:364:24
228.87:374:25
238.87:374:25
248.87:384:26
258.87:384:26
268.87:394:27
278.87:394:27
288.87:394:28
298.87:394:29
308.87:404:29
318.87:404:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.23 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 5.93 kWh/m² in June across the year — December's 1.23 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.2Dim
121.2Dim
131.2Dim
141.2Dim
151.2Dim
161.2Dim
171.2Dim
181.2Dim
191.2Dim
201.2Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.2Dim
261.2Dim
271.2Dim
281.3Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Rome?

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 Rome.

What to pack for Rome in December

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

In December, Rome sees daytime highs around 34°F and nights near 22°F. Pack a warm layer, a heavy coat and rain gear. About 17 days see rain.

a warm layera heavy coatrain gear

UV index in Rome in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rome peaks around July 13 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun8Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Rome?

Rome sits at 43.2°N, 75.5°W, 456 ft above sea level, in United States. The nearest listed city is Utica, 14 mi away.

Topography around Rome

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

Within 2 miles, the terrain around Rome has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 456 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,010 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,910 ft.

The land around Rome is covered by trees (52%), grassland (22%) and artificial surfaces (20%) within 2 miles, trees (64%) and grassland (21%) within 10 miles, and trees (77%) within 50 miles.

2 miles
157 ft
10 miles
1,010 ft
50 miles
2,910 ft
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Utica 14 mi · Cicero 34 mi · Clay 36 mi · Syracuse 37 mi · Oswego 55 mi · Cortland 56 mi · Gloversville 57 mi · Watertown 57 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 Rome (43.2129°, -75.4557°, elevation 456 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).