Chur weather in August

In August, Chur sees average daytime highs of 16°C and overnight lows near 6°C, with 163 mm of precipitation across 16.5 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 27% 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 Chur's 2nd-clearest and 12th-windiest month. For the whole year in context, see Chur's year-round climate.

Daytime high
16°
2nd warmest
Overnight low
11th coldest
Precipitation
163 mm
16.5 wet days
Daylight
14 hours
5:25 AM – 7:27 PM
Cloud cover
59%
2nd clearest
Wind
4 km/h
12th windiest
Solar energy
4.85 kWh/m²
Travel score
4.5
out of 10

Chur is capital of the canton of Graubünden, Switzerland.

Air quality
Good
PM2.5 8.2 µg/m³ · 2020
Density
652/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 17°C in the first days to 15°C by the end.

A typical August day in Chur reaches about 16°C in the afternoon and slips back to 6°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 21°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1177
2177
3177
4177
5177
6177
7177
8177
9177
10177
11177
12177
13177
14177
15177
16177
17177
18167
19167
20166
21166
22166
23166
24166
25166
26166
27156
28155
29155
30155
31155

How August really feels in Chur

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.

Chur weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -12°7812.113.58.80.0
Feb-2° / -11°6911.512.6100.0
Mar / -7°911414.611.60.0
Apr / -3°10715.212.513.30.3
May11° / 14018.8714.82.0
Jun15° / 16418.92.115.63.5
Jul17° / 15417.80.715.34.4
Aug16° / 16316.50.5144.5
Sep13° / 12013.73.212.43.1
Oct / -0°11112.16.410.61.3
Nov / -6°11913.5139.20.0
Dec-3° / -11°9113.113.98.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44456
54456
64456
74456
84456
94456
104555
114654
124753
134654
144753
154753
164951
174951
184951
195050
205050
215050
224951
234951
244852
254753
264753
274654
284555
294555
304357
314456

Chance of precipitation in August

Any precipitationSnow

Chur gets around 163 mm of rain and snow over 16.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 53% and peaks near 57% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1570
2570
3570
4570
5560
6560
7560
8550
9550
10540
11530
12530
13520
14520
15510
16511
17511
18501
19501
20501
21502
22502
23503
24513
25514
26514
27515
28515
29516
30516
31507

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 4 km/h in August, the calmest month.

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 5:06 AM to 5:45 AM, and sunset from 7:50 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:067:50
214.75:077:49
314.75:087:47
414.65:097:46
514.65:117:45
614.55:127:43
714.55:137:42
814.45:147:40
914.45:167:39
1014.35:177:37
1114.35:187:35
1214.25:207:34
1314.25:217:32
1414.15:227:30
1514.15:247:29
1614.05:257:27
1714.05:267:25
1813.95:287:23
1913.95:297:22
2013.85:307:20
2113.85:327:18
2213.75:337:16
2313.75:347:14
2413.65:367:12
2513.65:377:11
2613.55:387:09
2713.55:407:07
2813.45:417:05
2913.35:427:03
3013.35:447:01
3113.25:456:59

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.85 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 5.69 kWh/m² in June across the year — August's 4.85 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
314.4Bright
Planning a trip in August

Is August a good time to visit Chur?

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

4.5
Sightseeing
1st-best month of the year
Beach & pool
never really warm enough

August is a reasonable time to visit Chur for sightseeing.

What to pack for Chur in August

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

In August, Chur sees daytime highs around 16°C and nights near 6°C. Pack rain gear. Worth having: a warm layer and sun protection. About 17 days see rain.

rain geara warm layersun protection

UV index in Chur in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chur peaks around July 16 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 16UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar6High
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Chur?

Chur sits at 46.8°N, 9.5°E, 601 m above sea level, in Switzerland. The nearest listed city is Davos, 24 km away.

DavosVaduzBludenzFeldkirchSt. MoritzHohenemsHerisauDornbirn

Topography around Chur

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

Within 3 km, the terrain around Chur has very significant variations in elevation — a maximum elevation change of 1,304 m around an average of 879 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,677 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,742 m.

The land around Chur is covered by trees (65%) within 3 km, trees (49%) and grassland (39%) within 16 km, and grassland (43%) and trees (37%) within 80 km.

3 km
1,304 m
16 km
2,677 m
80 km
3,742 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
August weather nearby: Davos 24 km · Vaduz 32 km · Bludenz 40 km · Feldkirch 43 km · St. Moritz 46 km · Hohenems 58 km · Herisau 63 km · Dornbirn 65 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 Chur (46.8499°, 9.5329°, elevation 601 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).