Locarno weather in July

In July, Locarno sees average daytime highs of 21°C and overnight lows near 11°C, with 128 mm of precipitation across 14.2 wet days and about 15.2 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 33% 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 Locarno's 3rd-clearest and 7th-windiest month. For the whole year in context, see Locarno's year-round climate.

Daytime high
21°
1st warmest
Overnight low
11°
12th coldest
Precipitation
128 mm
14.2 wet days
Daylight
15 h 12 min
4:53 AM – 8:08 PM
Cloud cover
53%
3rd clearest
Wind
5 km/h
7th windiest
Solar energy
5.78 kWh/m²
Travel score
5.9
out of 10
Air quality
Moderate
PM2.5 10.5 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 21°C through the month.

A typical July day in Locarno reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52011
62011
72011
82011
92011
102011
112011
122011
132011
142111
152111
162111
172111
182111
192111
202111
212111
222111
232111
242112
252112
262112
272112
282112
292112
302112
312112

How July really feels in Locarno

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.

Locarno weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°759.59.98.80.0
Feb / -5°638.88.9100.0
Mar / -2°9110.97.411.60.7
Apr10° / 14313.15.813.32.0
May14° / 16216.2214.73.7
Jun18° / 15515.50.515.55.2
Jul21° / 11°12814.20.215.25.9
Aug20° / 11°15813.60.1145.9
Sep16° / 17812.90.612.34.6
Oct11° / 18713.92.810.72.5
Nov / -1°17712.17.69.20.4
Dec / -5°8710.598.50.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 26% of July, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55842
65842
75842
85842
95941
105941
116040
126040
136040
146040
156040
166139
176040
186139
196139
206139
216139
226139
236040
246139
256139
266040
276040
286040
296040
306040
315941

Chance of precipitation in July

Any precipitation

Locarno gets around 128 mm of rain and snow over 14.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 52% 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 (%)
152
252
352
452
552
652
751
850
950
1049
1148
1248
1347
1446
1546
1645
1745
1844
1944
2043
2143
2242
2342
2442
2542
2642
2742
2842
2942
3042
3142

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
182180
282180
383170
483170
583170
683170
783170
883170
983170
1083170
1183170
1283170
1383170
1482171
1581181
1681181
1781181
1880191
1980191
2079201
2179201
2278211
2378211
2477221
2577221
2676231
2776231
2875241
2974251
3074251
3173261

Wind in July

Winds average 5 km/h in July.

Across July, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 4:42 AM to 5:09 AM, and sunset from 8:14 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.54:428:14
215.54:438:14
315.54:438:14
415.54:448:14
515.54:448:13
615.54:458:13
715.44:468:13
815.44:478:12
915.44:478:12
1015.44:488:11
1115.44:498:11
1215.34:508:10
1315.34:518:10
1415.34:518:09
1515.34:528:08
1615.24:538:08
1715.24:548:07
1815.24:558:06
1915.24:568:05
2015.14:578:04
2115.14:588:03
2215.14:598:02
2315.05:008:01
2415.05:018:00
2514.95:037:59
2614.95:047:58
2714.95:057:57
2814.85:067:56
2914.85:077:55
3014.85:087:54
3114.75:097:52

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.78 kWh/m².

For context, solar energy here swings from a low near 1.32 kWh/m² to a high of 5.8 kWh/m² in June across the year — July's 5.78 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in July

Is July a good time to visit Locarno?

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

5.9
Sightseeing
1st-best month of the year
3.4
Beach & pool
1st-best month of the year

July is a reasonable time to visit Locarno for sightseeing.

What to pack for Locarno in July

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

In July, Locarno sees daytime highs around 21°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 14 days see rain.

rain gearsun protection

UV index in Locarno in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Locarno 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
May7High
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Locarno 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 Locarno is worst in June — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 6 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Locarno's WHO annual average of 10.5 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1615 µg/m³Nov 217 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar13Moderate
Apr14Moderate
May12Moderate
Jun16Moderate
Jul13Moderate
Aug11Good
Sep9Good
Oct8Good
Nov6Good
Dec7Good
Location & terrain

Where is Locarno?

Locarno sits at 46.2°N, 8.8°E, 206 m above sea level, in Switzerland. The nearest listed city is Bellinzona, 17 km away.

LuganoPallanza-Intra-SunaVerbaniaVareseDomodossolaMalnateComo

Topography around Locarno

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

Within 3 km, the terrain around Locarno has very significant variations in elevation — a maximum elevation change of 1,412 m around an average of 433 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,216 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,405 m.

The land around Locarno is covered by trees (48%) and water (31%) within 3 km, trees (72%) within 16 km, and trees (48%) and grassland (27%) within 80 km.

3 km
1,412 m
16 km
2,216 m
80 km
4,405 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
July weather nearby: Bellinzona 17 km · Lugano 22 km · Pallanza-Intra-Suna 31 km · Verbania 34 km · Varese 39 km · Domodossola 39 km · Malnate 42 km · Como 46 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 Locarno (46.1709°, 8.7995°, elevation 206 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).