Lancy weather in July

In July, Lancy sees average daytime highs of 24°C and overnight lows near 14°C, with 131 mm of rain across 13.5 wet days and about 15.2 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 37% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 30 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Lancy's 1st-clearest and 9th-windiest month. For the whole year in context, see Lancy's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
131 mm
13.5 wet days
Daylight
15 h 12 min
5:04 AM – 8:18 PM
Cloud cover
51%
1st clearest
Wind
6 km/h
9th windiest
Solar energy
5.93 kWh/m²
Travel score
6.6
out of 10

Lancy is Switzerland.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical July day in Lancy reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62313
72313
82313
92313
102313
112313
122313
132313
142414
152414
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

How July really feels in Lancy

Once humidity and wind are folded in, July 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

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

Lancy weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°12612.87.38.80.0
Feb / -1°10711.26.6100.4
Mar10° / 11912.54.411.62.4
Apr14° / 11513.42.213.33.7
May18° / 14215.90.314.74.9
Jun21° / 12°13014.4015.55.9
Jul24° / 14°13113.5015.26.6
Aug23° / 13°12913.20146.6
Sep19° / 10°12112012.35.7
Oct14° / 12812.90.510.73.9
Nov / 13613.23.69.21.4
Dec / -1°14713.56.88.50.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35743
45743
55743
65644
75644
85743
95644
105644
115644
125743
135842
145941
155941
165842
175941
185941
195941
206040
216040
226040
236139
246139
256040
266040
275941
285941
295941
305941
315941

Chance of precipitation in July

Any precipitation

Lancy gets around 131 mm of rain over 13.5 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
245
345
445
546
646
746
845
945
1044
1144
1243
1343
1443
1542
1642
1742
1842
1942
2042
2142
2242
2342
2442
2542
2643
2743
2843
2943
3043
3143

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14935151
24935151
34935151
44936151
54936151
64936150
74936150
84936140
94936140
104936140
114936140
124936140
134837150
144837150
154737160
164638160
174438170
184339180
194240180
204040190
213941200
223742210
233543220
243443220
253344230
263244240
273144250
283044260
292944260
302944270
312943281

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 30 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:53 AM to 5:20 AM, and sunset from 8:25 PM to 8:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.54:538:25
215.54:538:25
315.54:548:25
415.54:548:24
515.54:558:24
615.54:568:24
715.44:568:23
815.44:578:23
915.44:588:23
1015.44:598:22
1115.45:008:22
1215.35:008:21
1315.35:018:20
1415.35:028:20
1515.35:038:19
1615.25:048:18
1715.25:058:18
1815.25:068:17
1915.25:078:16
2015.15:088:15
2115.15:098:14
2215.15:108:13
2315.05:118:12
2415.05:128:11
2515.05:138:10
2614.95:148:09
2714.95:158:08
2814.85:178:07
2914.85:188:06
3014.85:198:04
3114.75:208:03

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.93 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.12 kWh/m² to a high of 5.93 kWh/m² in July across the year — July's 5.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in July

Is July a good time to visit Lancy?

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

6.6
Sightseeing
1st-best month of the year
5.4
Beach & pool
1st-best month of the year

July is a reasonable time to visit Lancy for sightseeing.

What to pack for Lancy in July

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

In July, Lancy sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Lancy in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lancy 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 Lancy in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Lancy 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 Lancy?

Lancy sits at 46.2°N, 6.1°E, 421 m above sea level, in Switzerland. The nearest listed city is Onex, 1.0 km away.

NyonAnnecy-le-Vieux

Topography around Lancy

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

Within 3 km, the terrain around Lancy has only modest variations in elevation — a maximum elevation change of 86 m around an average of 406 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,383 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,606 m.

The land around Lancy is covered by artificial surfaces (47%) and trees (37%) within 3 km, trees (43%) and grassland (23%) within 16 km, and trees (53%) and grassland (29%) within 80 km.

3 km
86 m
16 km
1,383 m
80 km
4,606 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
July weather nearby: Onex 1.0 km · Carouge 2.0 km · Geneva 3.0 km · Vernier 4.0 km · Meyrin 6.0 km · Annemasse 10 km · Nyon 24 km · Annecy-le-Vieux 30 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 Lancy (46.1898°, 6.1144°, elevation 421 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).