Carouge weather in May

In May, Carouge sees average daytime highs of 17°C and overnight lows near 8°C, with 144 mm of precipitation across 16 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Carouge's 10th-clearest and 3rd-windiest month. For the whole year in context, see Carouge's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
144 mm
16 wet days
Daylight
14 h 48 min
5:09 AM – 7:54 PM
Cloud cover
64%
10th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.37 kWh/m²
Travel score
4.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Carouge reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1166
2166
3167
4167
5167
6167
7167
8167
9177
10177
11177
12178
13178
14178
15178
16178
17188
18188
19188
20188
21189
22189
23189
24189
25199
26199
27199
281910
291910
301910
311910

How May really feels in Carouge

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

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

Carouge weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23367
33367
43466
53367
63367
73367
83466
93565
103565
113565
123664
133763
143862
153862
164060
174060
184159
194258
204357
214456
224555
234555
244555
254555
264555
274456
284456
294357
304357
314357

Chance of precipitation in May

Any precipitationSnow

Carouge gets around 144 mm of rain and snow over 16 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 52% and peaks near 57% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1553
2563
3563
4573
5573
6572
7562
8562
9562
10552
11552
12541
13541
14531
15521
16521
17511
18501
19490
20480
21480
22470
23470
24470
25470
26480
27480
28490
29500
30510
31520

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
29910
39910
49910
59910
69910
79910
89910
99910
109910
119910
129910
139910
149910
159910
169820
179820
189820
199730
209640
219640
229550
239460
249370
259280
269190
2790100
2889110
2988120
3086131
3185141

Wind in May

Winds average 6 km/h in May.

Across May, 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 May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:30 AM to 4:55 AM, and sunset from 7:35 PM to 8:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:307:35
214.15:297:37
314.25:277:38
414.25:257:39
514.35:247:40
614.35:227:42
714.45:217:43
814.45:197:44
914.55:187:46
1014.55:177:47
1114.55:157:48
1214.65:147:49
1314.65:137:51
1414.75:117:52
1514.75:107:53
1614.85:097:54
1714.85:087:56
1814.85:077:57
1914.95:067:58
2014.95:047:59
2114.95:038:00
2215.05:028:01
2315.05:018:03
2415.15:008:04
2515.15:008:05
2615.14:598:06
2715.24:588:07
2815.24:578:08
2915.24:568:09
3015.24:568:10
3115.34:558:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.37 kWh/m².

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 — May's 5.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Carouge?

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

4.8
Sightseeing
5th-best month of the year
1.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Carouge for sightseeing.

What to pack for Carouge in May

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

In May, Carouge sees daytime highs around 17°C and nights near 8°C. Pack rain gear. Worth having: sun protection. About 16 days see rain.

rain gearsun protection

UV index in Carouge in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).