Dortmund weather in August

In August, Dortmund sees average daytime highs of 22°C and overnight lows near 14°C, with 87 mm of rain across 13.5 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 18% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 18 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Dortmund's 1st-clearest and 12th-windiest month. For the whole year in context, see Dortmund's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
87 mm
13.5 wet days
Daylight
14 h 24 min
5:22 AM – 7:47 PM
Cloud cover
65%
1st clearest
Wind
11 km/h
12th windiest
Solar energy
4.33 kWh/m²
Travel score
6.1
out of 10
Air quality
Moderate
PM2.5 11.3 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 24°C in the first days to 21°C by the end.

A typical August day in Dortmund reaches about 22°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172214
182214
192214
202213
212213
222213
232213
242213
252113
262113
272113
282113
292112
302112
312012

How August really feels in Dortmund

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.

Dortmund 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 / 8314.33.58.10.0
Feb / 6812.44.19.60.3
Mar / 7213.71.911.51.8
Apr14° / 5711.50.313.53.8
May18° / 6912.7015.35.3
Jun21° / 12°7612.6016.35.8
Jul23° / 14°9014.2015.96.1
Aug22° / 14°8713.5014.46.1
Sep18° / 11°7512012.45.5
Oct14° / 7412.3010.43.6
Nov / 7514.11.18.61.4
Dec / 8714.73.67.70.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44060
53961
63961
73862
83763
93763
103664
113664
123565
133466
143466
153367
163367
173367
183268
193268
203268
213268
223268
233169
243268
253268
263268
273268
283268
293268
303268
313268

Chance of precipitation in August

Any precipitation

Dortmund gets around 87 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 (%)
142
242
342
442
542
642
743
843
944
1044
1145
1245
1346
1446
1546
1646
1746
1846
1946
2045
2145
2245
2344
2444
2543
2643
2742
2842
2942
3042
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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13745171
23845161
33845161
43944161
53944161
64043161
74043161
84142161
94242161
104241161
114341161
124340161
134339161
144439161
154438161
164537161
174537161
184636161
194736161
204835161
214834161
225034151
235133151
245332141
255431141
265531131
275730121
285929111
296028111
306128101
31632791

Wind in August

Winds average 11 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 18 min at the start of August to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over August. Sunrise moves from 4:58 AM to 5:46 AM, and sunset from 8:14 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.34:588:14
215.25:008:12
315.25:018:11
415.15:038:09
515.05:048:07
615.05:068:06
714.95:088:04
814.95:098:02
914.85:118:00
1014.85:127:58
1114.75:147:56
1214.75:157:54
1314.65:177:53
1414.55:197:51
1514.55:207:49
1614.45:227:47
1714.35:247:45
1814.35:257:42
1914.25:277:40
2014.25:287:38
2114.15:307:36
2214.05:327:34
2314.05:337:32
2413.95:357:30
2513.85:377:27
2613.85:387:25
2713.75:407:23
2813.75:427:21
2913.65:437:18
3013.55:457:16
3113.55:467:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.33 kWh/m².

For context, solar energy here swings from a low near 0.58 kWh/m² to a high of 5.22 kWh/m² in June across the year — August's 4.33 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Dortmund?

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

6.1
Sightseeing
1st-best month of the year
4.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Dortmund for sightseeing.

What to pack for Dortmund in August

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

In August, Dortmund sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes and rain gear. About 14 days see rain.

light clothesrain gear

UV index in Dortmund in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dortmund peaks around July 13 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Dortmund?

Dortmund sits at 51.5°N, 7.5°E, 96 m above sea level, in Germany. The nearest listed city is Huckarde, 4.0 km away.

Topography around Dortmund

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

Within 3 km, the terrain around Dortmund has only modest variations in elevation — a maximum elevation change of 66 m around an average of 91 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 248 m; within 80 km, large variations in elevation — a maximum elevation change of 848 m.

The land around Dortmund is covered by artificial surfaces (51%) and trees (42%) within 3 km, trees (48%) and artificial surfaces (21%) within 16 km, and trees (44%) and cropland (30%) within 80 km.

3 km
66 m
16 km
248 m
80 km
848 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Huckarde 4.0 km · Dorstfeld 4.0 km · Hörde 4.0 km · Eving 4.0 km · Brackel 6.0 km · Scharnhorst 6.0 km · Aplerbeck 7.0 km · Lütgendortmund 8.0 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 Dortmund (51.5149°, 7.466°, elevation 96 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).