Passau weather in August

In August, Passau sees average daytime highs of 24°C and overnight lows near 14°C, with 92 mm of rain across 12.1 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 25°C in the first days to 22°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 54 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Passau's 1st-clearest and 12th-windiest month. For the whole year in context, see Passau's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
92 mm
12.1 wet days
Daylight
14 h 12 min
5:05 AM – 7:15 PM
Cloud cover
54%
1st clearest
Wind
8 km/h
12th windiest
Solar energy
4.73 kWh/m²
Travel score
6.6
out of 10

Passau is main settlement of Passau in Germany.

Air quality
Moderate
PM2.5 12.4 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 25°C in the first days to 22°C by the end.

A typical August day in Passau reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°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)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122415
132415
142415
152414
162414
172414
182414
192414
202414
212414
222314
232314
242314
252314
262313
272213
282213
292213
302213
312213

How August really feels in Passau

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.

Passau 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 / -3°67126.78.50.0
Feb / -2°53105.49.80.1
Mar / 7012.13.711.61.8
Apr15° / 5410.30.813.44.2
May19° / 10°8913.70155.6
Jun22° / 13°9413.3015.86.1
Jul24° / 15°9813.5015.56.5
Aug24° / 14°9212.1014.16.6
Sep19° / 10°7310.9012.45.8
Oct13° / 6310.70.410.63.7
Nov / 5710.53.190.9
Dec / -1°6712.46.38.20.0

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 19% of August, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55446
65446
75446
85347
95347
105446
115446
125446
135446
145446
155446
165545
175545
185545
195545
205545
215545
225446
235446
245347
255248
265248
275149
285050
294951
304951
315050

Chance of precipitation in August

Any precipitation

Passau gets around 92 mm of rain over 12.1 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 40% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
440
540
641
741
841
941
1041
1141
1241
1341
1440
1540
1640
1739
1839
1939
2038
2138
2238
2338
2438
2538
2639
2739
2839
2939
3040
3140

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 (%)
1284626
2284725
3284724
4284823
5294822
6304821
7314920
8324919
9324918
10334918
11344917
12344916
13354916
14354916
15364816
16364716
17374617
18374517
19384418
20394318
21404218
22414118
23424018
24443917
25453817
26473616
27493515
28523414
29543313
30563212
31583111

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 9 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
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 54 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 96 minutes over August. Sunrise moves from 4:45 AM to 5:27 AM, and sunset from 7:40 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:457:40
214.94:467:39
314.84:477:37
414.84:497:36
514.74:507:34
614.74:517:32
714.64:537:31
814.64:547:29
914.54:567:28
1014.54:577:26
1114.44:587:24
1214.45:007:22
1314.35:017:21
1414.35:037:19
1514.25:047:17
1614.25:057:15
1714.15:077:13
1814.15:087:12
1914.05:107:10
2013.95:117:08
2113.95:137:06
2213.85:147:04
2313.85:157:02
2413.75:177:00
2513.75:186:58
2613.65:206:56
2713.55:216:54
2813.55:236:52
2913.45:246:50
3013.45:266:48
3113.35:276:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.73 kWh/m².

For context, solar energy here swings from a low near 0.87 kWh/m² to a high of 5.57 kWh/m² in June across the year — August's 4.73 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
234.5Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.2Bright
294.2Bright
304.1Bright
314.0Bright
Planning a trip in August

Is August a good time to visit Passau?

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
5.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Passau for sightseeing.

What to pack for Passau in August

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

In August, Passau sees daytime highs around 24°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 Passau 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 Passau peaks around July 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 12UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Passau 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 Passau is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Passau's WHO annual average of 12.4 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1515 µg/m³Nov 169 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul14Moderate
Aug13Moderate
Sep12Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Passau?

Passau sits at 48.6°N, 13.4°E, 366 m above sea level, in Germany. The nearest listed city is Vilshofen, 19 km away.

BurghausenWelsLinzDingolfingCesky KrumlovTraun

Topography around Passau

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

Within 3 km, the terrain around Passau has only modest variations in elevation — a maximum elevation change of 184 m around an average of 365 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 430 m; within 80 km, large variations in elevation — a maximum elevation change of 1,194 m.

The land around Passau is covered by trees (53%) and artificial surfaces (20%) within 3 km, trees (42%), cropland (27%) and grassland (23%) within 16 km, and trees (46%), cropland (27%) and grassland (23%) within 80 km.

3 km
184 m
16 km
430 m
80 km
1,194 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Vilshofen 19 km · Deggendorf 46 km · Burghausen 63 km · Wels 63 km · Linz 69 km · Dingolfing 70 km · Cesky Krumlov 70 km · Traun 71 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%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 Passau (48.5665°, 13.4312°, elevation 366 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).