Semmering weather in August

In August, Semmering sees average daytime highs of 21°C and overnight lows near 12°C, with 138 mm of rain across 16.7 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 24% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Semmering's 1st-clearest and 12th-windiest month. For the whole year in context, see Semmering's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
12°
11th coldest
Rainfall
138 mm
16.7 wet days
Daylight
14 h 06 min
4:58 AM – 7:04 PM
Cloud cover
61%
1st clearest
Wind
8 km/h
12th windiest
Solar energy
4.66 kWh/m²
Travel score
5.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 19°C by the end.

A typical August day in Semmering reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82113
92113
102112
112112
122112
132112
142112
152112
162112
172112
182112
192112
202112
212012
222012
232012
242011
252011
262011
271911
281911
291911
301911
311910

How August really feels in Semmering

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.

Semmering weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°5711.310.78.70.0
Feb / -4°5310.410.49.90.0
Mar / -1°7714.29.911.60.5
Apr11° / 8514.4513.32.5
May16° / 13318.90.514.93.9
Jun19° / 11°14218.5015.74.9
Jul21° / 12°14919.2015.45.2
Aug21° / 12°13816.7014.15.4
Sep16° / 11214.10.312.44.5
Oct11° / 78122.510.62.7
Nov / 6310.96.89.10.5
Dec / -4°5611.610.18.30.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of August, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
45050
55050
64951
74951
84951
94852
104951
114951
124951
134951
144951
154951
164951
174951
184951
194951
204951
215050
224951
234951
244852
254852
264654
274654
284555
294555
304456
314456

Chance of precipitation in August

Any precipitation

Semmering gets around 138 mm of rain over 16.7 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 55% and peaks near 59% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
159
258
357
456
556
656
755
855
955
1055
1155
1255
1354
1454
1554
1654
1754
1854
1953
2053
2153
2253
2353
2453
2554
2654
2754
2854
2954
3054
3153

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1444412
2454412
3454311
4464311
5474210
6484110
7494110
851409
951409
1053398
1153398
1254397
1354397
1455396
1556386
1656386
1757385
1857385
1958375
2058375
2158375
2260364
2361354
2462344
2563334
2664324
2766313
2868293
2969283
3072262
3173252

Wind in August

Winds average 8 km/h in August, the calmest month.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 48 min at the start of August to 13 h 18 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 4:38 AM to 5:19 AM, and sunset from 7:27 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:387:27
214.84:397:26
314.74:417:25
414.74:427:23
514.64:437:22
614.64:457:20
714.54:467:19
814.54:477:17
914.44:497:15
1014.44:507:14
1114.34:517:12
1214.34:537:10
1314.24:547:09
1414.24:557:07
1514.14:577:05
1614.14:587:04
1714.04:597:02
1814.05:017:00
1913.95:026:58
2013.95:036:56
2113.85:056:54
2213.85:066:53
2313.75:086:51
2413.75:096:49
2513.65:106:47
2613.65:126:45
2713.55:136:43
2813.45:156:41
2913.45:166:39
3013.35:176:37
3113.35:196:35

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.66 kWh/m².

For context, solar energy here swings from a low near 1.01 kWh/m² to a high of 5.52 kWh/m² in June across the year — August's 4.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.4Bright
234.4Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.1Bright
294.1Bright
304.0Bright
314.0Bright
Planning a trip in August

Is August a good time to visit Semmering?

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

5.4
Sightseeing
1st-best month of the year
3.1
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Semmering for sightseeing.

What to pack for Semmering in August

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

In August, Semmering sees daytime highs around 21°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 17 days see rain.

rain gearsun protection

UV index in Semmering 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 Semmering peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Semmering 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 Semmering is worst in June — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1415 µg/m³Nov 1110 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul13Moderate
Aug13Moderate
Sep11Good
Oct10Good
Nov10Good
Dec12Good
Location & terrain

Where is Semmering?

Semmering sits at 47.6°N, 15.8°E, 0 m above sea level, in Austria. The nearest listed city is Wiener Neustadt, 36 km away.

Wiener NeustadtBadenEisenzickenEisenstadtSopronMödlingPerchtoldsdorfAndritz

Topography around Semmering

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

Within 3 km, the terrain around Semmering has large variations in elevation — a maximum elevation change of 904 m around an average of 1,024 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,667 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,142 m.

The land around Semmering is covered by trees (85%) within 3 km, trees (79%) within 16 km, and trees (61%) within 80 km.

3 km
904 m
16 km
1,667 m
80 km
2,142 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Wiener Neustadt 36 km · Baden 51 km · Eisenzicken 51 km · Eisenstadt 57 km · Sopron 57 km · Mödling 61 km · Perchtoldsdorf 63 km · Andritz 65 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 Semmering (47.6335°, 15.8299°, elevation 0 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).