Graz weather in August

In August, Graz sees average daytime highs of 25°C and overnight lows near 14°C, with 89 mm of rain across 11.8 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 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 35% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 48 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Graz's 1st-clearest and 8th-windiest month. For the whole year in context, see Graz's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
89 mm
11.8 wet days
Daylight
14 h 06 min
5:01 AM – 7:04 PM
Cloud cover
54%
1st clearest
Wind
6 km/h
8th windiest
Solar energy
4.72 kWh/m²
Travel score
6.6
out of 10

Graz is 1. district of Graz.

Air quality
Elevated
PM2.5 15.5 µg/m³ · 2019

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 26°C in the first days to 23°C by the end.

A typical August day in Graz reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92515
102515
112515
122515
132514
142514
152514
162514
172514
182514
192514
202414
212414
222414
232414
242414
252413
262313
272313
282313
292313
302313
312212

How August really feels in Graz

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.

Graz 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°276.24.28.70.0
Feb / -3°336.94.3100.4
Mar10° / 458.42.811.62.5
Apr15° / 54100.813.34.6
May20° / 8513.1014.85.8
Jun23° / 13°9013.6015.66.3
Jul25° / 14°8412.9015.36.5
Aug25° / 14°8911.80146.6
Sep20° / 10°8310.1012.46.2
Oct14° / 649.30.310.64.3
Nov / 598.52.49.11.4
Dec / -3°457.84.18.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
45842
55842
65941
75941
85941
95941
105941
115941
125941
135941
145842
155941
165941
175941
185842
195941
205842
215842
225743
235644
245644
255545
265545
275545
285446
295347
305248
315248

Chance of precipitation in August

Any precipitation

Graz gets around 89 mm of rain over 11.8 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 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
641
741
841
941
1040
1140
1240
1339
1439
1538
1638
1737
1837
1936
2036
2136
2236
2336
2436
2536
2636
2737
2837
2937
3037
3138

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12237383
22237373
32238373
42238363
52339353
62340343
72440333
82441323
92442312
102543302
112544292
122545282
132646272
142647261
152648251
162648241
172649231
182749231
192749221
202849221
212949211
223049201
233148191
243348181
253547181
263745171
273944161
284243151
294441141
304640130
314939120

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 48 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 96 minutes over August. Sunrise moves from 4:41 AM to 5:21 AM, and sunset from 7:27 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:417:27
214.74:437:26
314.74:447:24
414.64:457:23
514.64:467:22
614.54:487:20
714.54:497:19
814.44:507:17
914.44:527:15
1014.44:537:14
1114.34:547:12
1214.34:567:11
1314.24:577:09
1414.24:587:07
1514.14:597:06
1614.15:017:04
1714.05:027:02
1813.95:037:00
1913.95:056:59
2013.85:066:57
2113.85:086:55
2213.75:096:53
2313.75:106:51
2413.65:126:49
2513.65:136:47
2613.55:146:45
2713.55:166:43
2813.45:176:42
2913.45:186:40
3013.35:206:38
3113.25:216:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.72 kWh/m².

For context, solar energy here swings from a low near 1.1 kWh/m² to a high of 5.55 kWh/m² in June across the year — August's 4.72 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.2Bright
294.2Bright
304.1Bright
314.1Bright
Planning a trip in August

Is August a good time to visit Graz?

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

6.6
Sightseeing
1st-best month of the year
5.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Graz for sightseeing.

What to pack for Graz in August

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

In August, Graz sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Graz 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 Graz peaks around July 16 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Graz in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Graz is worst in April — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Graz's WHO annual average of 15.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1519 µg/m³Nov 1313 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar18Moderate
Apr19Moderate
May17Moderate
Jun19Moderate
Jul16Moderate
Aug16Moderate
Sep13Moderate
Oct13Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Graz?

Graz sits at 47.1°N, 15.4°E, 362 m above sea level, in Austria. The nearest listed city is Sankt Leonhard, 1.0 km away.

Topography around Graz

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

Within 3 km, the terrain around Graz has only modest variations in elevation — a maximum elevation change of 174 m around an average of 370 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,141 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,216 m.

The land around Graz is covered by artificial surfaces (59%) and trees (31%) within 3 km, trees (56%) and grassland (20%) within 16 km, and trees (68%) within 80 km.

3 km
174 m
16 km
1,141 m
80 km
2,216 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Sankt Leonhard 1.0 km · Gries 1.0 km · Jakomini 2.0 km · Geidorf 2.0 km · Lend 3.0 km · Sankt Peter 3.0 km · Eggenberg 3.0 km · Wetzelsdorf 4.0 km

Austria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 82% of US
price level, 2025
GDP per capita
$62,930
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 616
Religion
Roman Catholic 55%none 22%Muslim 8%other 5%

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 Graz (47.0673°, 15.442°, elevation 362 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).