Nyon weather in July

In July, Nyon sees average daytime highs of 22°C and overnight lows near 15°C, with 137 mm of rain across 15.6 wet days and about 15.2 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 33% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 36 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Nyon's 1st-clearest and 11th-windiest month. For the whole year in context, see Nyon's year-round climate.

Daytime high
22°
1st warmest
Overnight low
15°
12th coldest
Rainfall
137 mm
15.6 wet days
Daylight
15 h 18 min
5:03 AM – 8:19 PM
Cloud cover
54%
1st clearest
Wind
7 km/h
11th windiest
Solar energy
5.84 kWh/m²
Travel score
6.0
out of 10

Nyon is archaeological site in Nyon in the canton of Vaud, Suisse.

Air quality
Good
PM2.5 7.7 µg/m³ · 2020

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 22°C through the month.

A typical July day in Nyon reaches about 22°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°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)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102215
112215
122215
132215
142215
152215
162215
172315
182315
192315
202315
212315
222315
232315
242315
252315
262315
272315
282315
292315
302315
312315

How July really feels in Nyon

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.

Nyon weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°12213.48.48.80.0
Feb / 10312.18.3100.1
Mar / 11213.25.811.61.7
Apr13° / 10914.12.913.33.0
May16° / 13515.90.414.74.4
Jun20° / 13°12815.6015.55.5
Jul22° / 15°13715.6015.26.0
Aug22° / 15°13314.90146.1
Sep18° / 12°11813.2012.45.3
Oct14° / 12213.70.610.73.5
Nov / 130144.39.21.2
Dec / 14114.77.88.50.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35248
45149
55149
65149
75050
85050
95248
105248
115248
125347
135446
145446
155644
165644
175644
185743
195743
205842
215941
225941
235941
245941
255941
265941
275842
285842
295842
305842
315743

Chance of precipitation in July

Any precipitation

Nyon gets around 137 mm of rain over 15.6 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 50% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
351
451
552
652
752
852
951
1051
1151
1250
1350
1450
1549
1649
1749
1849
1949
2049
2149
2249
2349
2449
2549
2649
2750
2850
2950
3050
3150

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14638151
24638151
34638161
44638160
54637160
64637160
74637170
84637170
94637170
104537170
114537180
124537180
134437190
144337200
154237200
164137210
174038220
183838230
193739240
203539250
213440260
223241270
233142271
242942281
252842291
262743291
272743301
282643301
292543311
302543311
312543311

Wind in July

Winds average 7 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
147calm
157calm
167calm
177calm
187calm
197calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 36 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 54 minutes over July. Sunrise moves from 4:52 AM to 5:19 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)
115.64:528:25
215.64:528:25
315.54:538:25
415.54:538:25
515.54:548:24
615.54:558:24
715.54:558:24
815.54:568:23
915.44:578:23
1015.44:578:22
1115.44:588:22
1215.44:598:21
1315.35:008:21
1415.35:018:20
1515.35:028:19
1615.35:038:19
1715.25:048:18
1815.25:058:17
1915.25:068:16
2015.15:078:15
2115.15:088:14
2215.15:098:13
2315.05:108:12
2415.05:118:11
2515.05:128:10
2614.95:138:09
2714.95:148:08
2814.95:158:07
2914.85:178:06
3014.85:188:05
3114.75:198:03

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.84 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.08 kWh/m² to a high of 5.84 kWh/m² in July across the year — July's 5.84 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Nyon?

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

6.0
Sightseeing
2nd-best month of the year
4.4
Beach & pool
1st-best month of the year

July is a reasonable time to visit Nyon for sightseeing.

What to pack for Nyon in July

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

In July, Nyon sees daytime highs around 22°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Nyon 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 Nyon peaks around July 15 at about 9 (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 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Nyon?

Nyon sits at 46.4°N, 6.2°E, 401 m above sea level, in Switzerland. The nearest listed city is Thonon-les-Bains, 18 km away.

MeyrinAnnemasseGenevaVernierLancyCarougeMorges

Topography around Nyon

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

Within 3 km, the terrain around Nyon has only modest variations in elevation — a maximum elevation change of 115 m around an average of 402 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,301 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,546 m.

The land around Nyon is covered by water (39%) and cropland (20%) within 3 km, trees (41%) and water (24%) within 16 km, and trees (53%) and grassland (31%) within 80 km.

3 km
115 m
16 km
1,301 m
80 km
4,546 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
July weather nearby: Thonon-les-Bains 18 km · Meyrin 21 km · Annemasse 21 km · Geneva 21 km · Vernier 22 km · Lancy 24 km · Carouge 24 km · Morges 24 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 Nyon (46.3832°, 6.2396°, elevation 401 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).