Bellinzona weather in August

In August, Bellinzona sees average daytime highs of 21°C and overnight lows near 11°C, with 150 mm of rain across 13.5 wet days and about 14 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 36% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Bellinzona's 5th-clearest and 11th-windiest month. For the whole year in context, see Bellinzona's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
150 mm
13.5 wet days
Daylight
14 hours
5:28 AM – 7:28 PM
Cloud cover
53%
5th clearest
Wind
4 km/h
11th windiest
Solar energy
4.92 kWh/m²
Travel score
6.0
out of 10

Bellinzona is capital of the canton of Ticino, Switzerland.

Density
2,260/km²
people per km²

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical August day in Bellinzona reaches about 21°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32112
42112
52112
62112
72112
82112
92112
102112
112111
122111
132111
142111
152111
162111
172111
182111
192011
202011
212011
222011
232011
242011
252011
262010
272010
281910
291910
301910
311910

How August really feels in Bellinzona

Once humidity and wind are folded in, August 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

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

Bellinzona weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°688.88.98.80.0
Feb / -5°598.38.1100.0
Mar / -2°8210.16.511.61.0
Apr11° / 13013.1513.32.4
May15° / 15216.61.314.73.9
Jun19° / 10°15015.90.315.55.3
Jul21° / 11°12714.80.115.25.9
Aug21° / 11°15013.50146.0
Sep16° / 14812.40.412.34.9
Oct12° / 16013.12.110.72.7
Nov / -1°15811.96.79.20.6
Dec / -5°819.688.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26040
35941
46040
55941
65941
75941
85842
95842
105842
115842
125842
135842
145842
155842
165941
175941
185941
195941
206040
216040
226040
235941
245941
255941
265941
275842
285743
295743
305743
315743

Chance of precipitation in August

Any precipitation

Bellinzona gets around 150 mm of rain over 13.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
245
345
445
546
646
746
846
946
1046
1146
1245
1345
1445
1545
1644
1744
1843
1943
2042
2142
2242
2341
2441
2541
2641
2741
2841
2941
3041
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
164333
264342
364342
464342
564342
664342
764342
864342
964342
1065332
1166331
1266331
1367321
1468311
1568311
1669301
1769301
1870291
1971281
2071281
2172271
2273261
2374251
2475241
2576231
2678220
2779210
2881190
2982180
3083170
3185150

Wind in August

Winds average 4 km/h in August.

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

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 42 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 5:10 AM to 5:48 AM, and sunset from 7:50 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:107:50
214.65:117:49
314.65:127:48
414.55:137:46
514.55:157:45
614.55:167:43
714.45:177:42
814.45:187:40
914.35:207:39
1014.35:217:37
1114.25:227:36
1214.25:237:34
1314.15:257:33
1414.15:267:31
1514.05:277:29
1614.05:287:28
1713.95:307:26
1813.95:317:24
1913.85:327:22
2013.85:347:21
2113.75:357:19
2213.75:367:17
2313.65:377:15
2413.65:397:13
2513.55:407:12
2613.55:417:10
2713.45:437:08
2813.45:447:06
2913.35:457:04
3013.35:477:02
3113.25:487:00

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.92 kWh/m².

For context, solar energy here swings from a low near 1.33 kWh/m² to a high of 5.77 kWh/m² in June across the year — August's 4.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.5Bright
314.4Bright
Planning a trip in August

Is August a good time to visit Bellinzona?

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

6.0
Sightseeing
1st-best month of the year
3.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Bellinzona for sightseeing.

What to pack for Bellinzona in August

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

In August, Bellinzona sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear and sun protection. About 14 days see rain.

rain gearsun protection

UV index in Bellinzona in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Bellinzona 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
May7Very high
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Bellinzona?

Bellinzona sits at 46.2°N, 9.0°E, 230 m above sea level, in Switzerland. The nearest listed city is Locarno, 17 km away.

LuganoComoVaresePallanza-Intra-SunaMalnateErbaVerbania

Topography around Bellinzona

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

Within 3 km, the terrain around Bellinzona has very significant variations in elevation — a maximum elevation change of 1,236 m around an average of 523 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,510 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,912 m.

The land around Bellinzona is covered by trees (72%) within 3 km, trees (69%) and grassland (24%) within 16 km, and trees (49%) and grassland (28%) within 80 km.

3 km
1,236 m
16 km
2,510 m
80 km
3,912 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
August weather nearby: Locarno 17 km · Lugano 21 km · Como 43 km · Varese 44 km · Pallanza-Intra-Suna 45 km · Malnate 46 km · Erba 46 km · Verbania 47 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 Bellinzona (46.1928°, 9.017°, elevation 230 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).