Alsdorf weather in August

In August, Alsdorf sees average daytime highs of 23°C and overnight lows near 14°C, with 68 mm of rain across 11.6 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 3rd-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 Alsdorf's 1st-clearest and 12th-windiest month. For the whole year in context, see Alsdorf's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
68 mm
11.6 wet days
Daylight
14 h 24 min
5:29 AM – 7:50 PM
Cloud cover
65%
1st clearest
Wind
11 km/h
12th windiest
Solar energy
4.44 kWh/m²
Travel score
6.5
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 Alsdorf reaches about 23°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 18°C and 29°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)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132315
142314
152314
162314
172314
182314
192314
202314
212314
222214
232214
242214
252213
262213
272213
282213
292113
302113
312113

How August really feels in Alsdorf

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.

Alsdorf 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 / 6212.91.98.20.2
Feb / 5611.62.99.70.6
Mar10° / 5712.3111.52.2
Apr14° / 4610.50.113.54.1
May18° / 5511.2015.35.5
Jun21° / 12°6511.4016.26.1
Jul23° / 14°7212.6015.86.4
Aug23° / 14°6811.6014.36.5
Sep19° / 11°6010.3012.45.9
Oct15° / 6011.3010.44.1
Nov / 6212.50.58.71.8
Dec / 7113.72.47.80.4

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 18% of August, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34060
43961
53961
63763
73763
83763
93664
103664
113664
123664
133565
143565
153664
163664
173565
183565
193565
203565
213565
223565
233565
243565
253565
263565
273565
283565
293565
303466
313466

Chance of precipitation in August

Any precipitation

Alsdorf gets around 68 mm of rain over 11.6 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 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
737
838
938
1038
1139
1239
1339
1439
1539
1639
1739
1839
1939
2039
2138
2238
2338
2438
2538
2637
2737
2837
2936
3036
3136

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 (%)
13844161
23845161
33845161
43846150
53946150
63946150
74046150
84045150
94045150
104144150
114243150
124243150
134342150
144341150
154440160
164539160
174638160
184737160
194737160
204836150
215035150
225134141
235233141
245333131
255432131
265631121
275830111
286029101
296029101
30622891
31652780

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
2512calm
2612calm
2712calm
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 5:06 AM to 5:53 AM, and sunset from 8:17 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.25:068:17
215.15:078:15
315.15:098:14
415.05:108:12
515.05:128:10
614.95:138:09
714.95:158:07
814.85:168:05
914.85:188:03
1014.75:198:02
1114.65:218:00
1214.65:237:58
1314.55:247:56
1414.55:267:54
1514.45:277:52
1614.45:297:50
1714.35:307:48
1814.25:327:46
1914.25:347:44
2014.15:357:42
2114.15:377:40
2214.05:387:38
2313.95:407:36
2413.95:417:34
2513.85:437:31
2613.75:457:29
2713.75:467:27
2813.65:487:25
2913.65:497:23
3013.55:517:20
3113.45:537:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.44 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.32 kWh/m² in June across the year — August's 4.44 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Alsdorf?

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

6.5
Sightseeing
1st-best month of the year
5.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Alsdorf for sightseeing.

What to pack for Alsdorf in August

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

In August, Alsdorf sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

UV index in Alsdorf 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 Alsdorf peaks around July 15 at about 6 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 15UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Alsdorf 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 Alsdorf is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1315 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May14Moderate
Jun13Moderate
Jul12Good
Aug13Moderate
Sep12Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Alsdorf?

Alsdorf sits at 50.9°N, 6.2°E, 167 m above sea level, in Germany. The nearest listed city is Baesweiler, 4.0 km away.

Topography around Alsdorf

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

Within 3 km, the terrain around Alsdorf has only modest variations in elevation — a maximum elevation change of 134 m around an average of 152 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 396 m; within 80 km, large variations in elevation — a maximum elevation change of 1,012 m.

The land around Alsdorf is covered by cropland (38%), trees (31%) and artificial surfaces (20%) within 3 km, cropland (37%) and trees (27%) within 16 km, and trees (40%), cropland (25%) and grassland (23%) within 80 km.

3 km
134 m
16 km
396 m
80 km
1,012 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Baesweiler 4.0 km · Herzogenrath 5.0 km · Übach-Palenberg 5.0 km · Würselen 7.0 km · Kerkrade 7.0 km · Eschweiler 10 km · Geilenkirchen 11 km · Stolberg 12 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 Alsdorf (50.8767°, 6.164°, elevation 167 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).