Como weather in December

In December, Como sees average daytime highs of 7°C and overnight lows near 2°C, with 78 mm of precipitation across 7.3 wet days and about 8.5 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 8°C in the first days to 6°C by the end. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 42 min at the start of December to 8 h 30 min by month's end. Set against the rest of the year, December is Como's 7th-clearest and 5th-windiest month. For the whole year in context, see Como's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
78 mm
7.3 wet days
Daylight
8 h 30 min
8:05 AM – 4:35 PM
Cloud cover
52%
7th clearest
Wind
6 km/h
5th windiest
Solar energy
1.23 kWh/m²
Travel score
1.1
out of 10
Air quality
Elevated
PM2.5 19.8 µg/m³ · 2019

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 8°C in the first days to 6°C by the end.

A typical December day in Como reaches about 7°C in the afternoon and slips back to 2°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 11°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
183
283
383
483
583
683
782
882
982
1082
1172
1272
1372
1472
1572
1672
1771
1871
1971
2071
2171
2271
2371
2471
2571
2671
2771
2861
2961
3061
3161

How December really feels in Como

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 18 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
18
wind chill below the day's low

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

Como weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 646.63.18.90.9
Feb / 646.92.610.11.8
Mar13° / 838.41.311.63.9
Apr17° / 12212.10.413.35.0
May21° / 13°13713.5014.76.0
Jun25° / 17°14312.9015.56.4
Jul27° / 19°11211.3015.26.5
Aug27° / 19°14612.4013.96.5
Sep22° / 15°15510.4012.36.6
Oct16° / 11°16110.7010.75.1
Nov11° / 17210.60.89.32.7
Dec / 787.32.68.51.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35248
45347
55347
65347
75545
85545
95545
105644
115644
125743
135743
145743
155644
165644
175644
185644
195644
205545
215545
225545
235545
245545
255545
265545
275545
285644
295644
305644
315644

Chance of precipitation in December

Any precipitationSnow

Como gets around 78 mm 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 28% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1287
2277
3277
4267
5257
6257
7248
8248
9248
10238
11238
12238
13228
14228
15228
16228
17228
18238
19238
20238
21238
22239
23239
24239
25239
262310
272310
282310
292311
302411
312411

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 6 km/h in December.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 42 min at the start of December to 8 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 7:51 AM to 8:11 AM, and sunset from 4:36 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.77:514:36
28.77:524:35
38.77:534:35
48.77:554:35
58.67:564:34
68.67:574:34
78.67:584:34
88.67:594:34
98.67:594:34
108.68:004:34
118.58:014:34
128.58:024:34
138.58:034:34
148.58:044:34
158.58:044:34
168.58:054:35
178.58:064:35
188.58:064:35
198.58:074:35
208.58:084:36
218.58:084:36
228.58:094:37
238.58:094:37
248.58:094:38
258.58:104:38
268.58:104:39
278.58:104:40
288.58:114:40
298.58:114:41
308.58:114:42
318.58:114:42

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 6.16 kWh/m² in July 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
111.3Dim
121.3Dim
131.3Dim
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
281.2Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Como?

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

1.1
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 Como.

What to pack for Como in December

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

In December, Como sees daytime highs around 7°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Como 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 Como peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 16UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Como 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 Como is worst in March — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Como's WHO annual average of 19.8 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2225 µg/m³Nov 1416 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb20Moderate
Mar25Moderate
Apr24Moderate
May20Moderate
Jun23Moderate
Jul20Moderate
Aug18Moderate
Sep17Moderate
Oct17Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is Como?

Como sits at 45.8°N, 9.1°E, 201 m above sea level, in Italy. The nearest listed city is Cantù, 8.0 km away.

Topography around Como

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Como.

Within 3 km, the terrain around Como has large variations in elevation — a maximum elevation change of 805 m around an average of 373 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,469 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,527 m.

The land around Como is covered by trees (62%) and artificial surfaces (25%) within 3 km, trees (62%) within 16 km, and trees (47%) and cropland (21%) within 80 km.

3 km
805 m
16 km
1,469 m
80 km
3,527 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
December weather nearby: Cantù 8.0 km · Erba 11 km · Mariano Comense 15 km · Giussano 15 km · Malnate 16 km · Meda 17 km · Tradate 18 km · Seveso 19 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Como (45.8082°, 9.0832°, elevation 201 m), 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).