Haan weather in August

In August, Haan sees average daytime highs of 22°C and overnight lows near 14°C, with 94 mm of rain across 13.7 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 4th-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 12 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Haan's 1st-clearest and 12th-windiest month. For the whole year in context, see Haan's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
94 mm
13.7 wet days
Daylight
14 h 24 min
5:25 AM – 7:48 PM
Cloud cover
65%
1st clearest
Wind
11 km/h
12th windiest
Solar energy
4.37 kWh/m²
Travel score
6.1
out of 10

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 Haan reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°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°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52415
62415
72315
82315
92315
102315
112314
122314
132314
142314
152314
162314
172214
182214
192214
202214
212214
222214
232213
242213
252113
262113
272113
282113
292113
302113
312113

How August really feels in Haan

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.

Haan weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9814.93.38.20.0
Feb / 8013.33.79.60.3
Mar10° / 7913.81.811.51.9
Apr14° / 6011.60.213.53.9
May18° / 7212.6015.35.3
Jun21° / 12°8312.9016.35.8
Jul23° / 14°9814.5015.96.1
Aug22° / 14°9413.7014.46.1
Sep19° / 11°8012.2012.45.5
Oct14° / 8812.9010.43.6
Nov / 8814.30.98.71.4
Dec / 10616.13.57.70.2

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 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34060
44159
54060
63961
73862
83763
93763
103664
113565
123565
133565
143367
153367
163466
173367
183367
193367
203367
213466
223466
233367
243367
253466
263466
273367
283466
293466
303466
313466

Chance of precipitation in August

Any precipitation

Haan gets around 94 mm of rain over 13.7 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 45% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
444
544
644
745
845
945
1046
1146
1247
1347
1447
1547
1647
1747
1847
1946
2046
2145
2245
2344
2444
2543
2643
2742
2842
2941
3041
3140

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13446181
23446181
33546181
43546181
53646171
63646171
73745171
83745171
93845171
103844171
113943171
123942181
134042181
144041181
154140181
164239181
174338181
184437181
194536181
204635181
214735181
224834171
235033161
245132161
255331151
265530141
275630131
285829121
296028111
306028111
316128101

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
2611calm
2711calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 12 min at the start of August to 13 h 24 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 5:01 AM to 5:49 AM, and sunset from 8:15 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.25:018:15
215.25:038:13
315.15:048:11
415.15:068:10
515.05:078:08
615.05:098:06
714.95:108:05
814.85:128:03
914.85:148:01
1014.75:157:59
1114.75:177:57
1214.65:187:55
1314.65:207:53
1414.55:217:51
1514.45:237:50
1614.45:257:48
1714.35:267:45
1814.35:287:43
1914.25:297:41
2014.15:317:39
2114.15:337:37
2214.05:347:35
2314.05:367:33
2413.95:377:31
2513.85:397:29
2613.85:417:26
2713.75:427:24
2813.65:447:22
2913.65:467:20
3013.55:477:17
3113.45:497:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.37 kWh/m².

For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.24 kWh/m² in June across the year — August's 4.37 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Haan?

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 Haan for sightseeing.

What to pack for Haan in August

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

In August, Haan 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 Haan 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 Haan 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

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1415 µg/m³Dec 109 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun14Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Haan?

Haan sits at 51.2°N, 7.0°E, 168 m above sea level, in Germany. The nearest listed city is Ohligs, 5.0 km away.

Topography around Haan

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

Within 3 km, the terrain around Haan has only modest variations in elevation — a maximum elevation change of 157 m around an average of 153 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 383 m; within 80 km, large variations in elevation — a maximum elevation change of 961 m.

The land around Haan is covered by trees (52%) and artificial surfaces (25%) within 3 km, trees (51%) and artificial surfaces (20%) within 16 km, and trees (46%) and cropland (25%) within 80 km.

3 km
157 m
16 km
383 m
80 km
961 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Ohligs 5.0 km · Solingen 5.0 km · Hilden 6.0 km · Mettmann 7.0 km · Erkrath 8.0 km · Leichlingen 10 km · Wülfrath 10 km · Langenfeld 11 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 Haan (51.1938°, 7.0133°, elevation 168 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).