Carouge weather in December

In December, Carouge sees average daytime highs of 5°C and overnight lows near -1°C, with 131 mm of precipitation across 13.4 wet days and about 8.5 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 5°C through the month. The sky is clear or mostly clear about 26% 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 Carouge's 11th-clearest and 6th-windiest month. For the whole year in context, see Carouge's year-round climate.

Daytime high
11th warmest
Overnight low
-1°
3rd coldest
Precipitation
131 mm
13.4 wet days
Daylight
8 h 24 min
8:18 AM – 4:45 PM
Cloud cover
65%
11th clearest
Wind
6 km/h
6th windiest
Solar energy
1.13 kWh/m²
Travel score
0.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 5°C through the month.

A typical December day in Carouge reaches about 5°C in the afternoon and slips back to -1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 9°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
160
260
360
460
56-1
66-1
76-1
85-1
95-1
105-1
115-1
125-1
135-1
145-1
155-1
165-1
175-1
185-1
195-1
205-1
215-1
225-1
235-1
245-2
255-2
265-2
275-2
285-2
295-2
305-2
315-2

How December really feels in Carouge

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

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

Carouge weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°11512.57.48.80.0
Feb / -2°9910.97100.4
Mar10° / 10912.74.811.62.2
Apr14° / 10913.52.813.33.6
May17° / 144160.414.74.8
Jun21° / 12°12314.8015.55.8
Jul23° / 13°12312.8015.26.6
Aug23° / 13°11712.70146.6
Sep19° / 10°10912.2012.35.7
Oct14° / 11212.40.510.73.9
Nov / 12513.54.29.21.4
Dec / -1°13113.47.28.50.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33763
43664
53664
63763
73664
83664
93664
103763
113763
123763
133664
143565
153664
163763
173763
183664
193664
203664
213565
223664
233664
243664
253763
263763
273763
283763
293862
303862
313862

Chance of precipitation in December

Any precipitationSnow

Carouge gets around 131 mm of rain and snow over 13.4 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 43% and peaks near 44% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14322
24422
34423
44423
54423
64422
74422
84322
94322
104322
114322
124322
134322
144322
154322
164222
174222
184222
194222
204222
214323
224323
234324
244425
254425
264425
274425
284425
294425
304425
314425

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 8:04 AM to 8:24 AM, and sunset from 4:46 PM to 4:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.78:044:46
28.78:064:46
38.68:074:45
48.68:084:45
58.68:094:45
68.68:104:45
78.68:114:44
88.58:124:44
98.58:134:44
108.58:144:44
118.58:144:44
128.58:154:44
138.58:164:44
148.58:174:44
158.48:184:45
168.48:184:45
178.48:194:45
188.48:204:45
198.48:204:46
208.48:214:46
218.48:214:47
228.48:224:47
238.48:224:47
248.48:234:48
258.48:234:49
268.48:234:49
278.48:244:50
288.48:244:50
298.48:244:51
308.58:244:52
318.58:244:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.13 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.13 kWh/m² to a high of 5.85 kWh/m² in July across the year — December's 1.13 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.2Dim
41.2Dim
51.2Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.2Dim
121.1Dim
131.1Dim
141.1Dim
151.1Dim
161.1Dim
171.1Dim
181.1Dim
191.1Dim
201.1Dim
211.1Dim
221.1Dim
231.1Dim
241.1Dim
251.1Dim
261.1Dim
271.1Dim
281.1Dim
291.1Dim
301.1Dim
311.1Dim
Planning a trip in December

Is December a good time to visit Carouge?

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

0.1
Sightseeing
11th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Carouge.

What to pack for Carouge in December

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

In December, Carouge sees daytime highs around 5°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

UV index in Carouge 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 Carouge peaks around July 15 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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Carouge 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 Carouge is worst in April — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1015 µg/m³Nov 1210 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb12Moderate
Mar15Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep11Good
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Carouge?

Carouge sits at 46.2°N, 6.1°E, 388 m above sea level, in Switzerland. The nearest listed city is Lancy, 2.0 km away.

NyonAnnecy-le-Vieux

Topography around Carouge

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

Within 3 km, the terrain around Carouge has only modest variations in elevation — a maximum elevation change of 107 m around an average of 411 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,050 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,604 m.

The land around Carouge is covered by artificial surfaces (41%) and trees (40%) within 3 km, trees (42%) and grassland (24%) within 16 km, and trees (54%) and grassland (29%) within 80 km.

3 km
107 m
16 km
1,050 m
80 km
4,604 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
December weather nearby: Lancy 2.0 km · Geneva 2.0 km · Onex 3.0 km · Vernier 6.0 km · Meyrin 7.0 km · Annemasse 8.0 km · Nyon 24 km · Annecy-le-Vieux 29 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

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 Carouge (46.181°, 6.1392°, elevation 388 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).