Aachen weather in October

In October, Aachen sees average daytime highs of 14°C and overnight lows near 8°C, with 65 mm of rain across 11.9 wet days and about 10.4 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 12°C by the end. The sky is clear or mostly clear about 16% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 30 min by month's end. Set against the rest of the year, October is Aachen's 8th-clearest and 6th-windiest month. For the whole year in context, see Aachen's year-round climate.

Daytime high
14°
6th warmest
Overnight low
7th coldest
Rainfall
65 mm
11.9 wet days
Daylight
10 h 24 min
7:08 AM – 5:33 PM
Cloud cover
71%
8th clearest
Wind
15 km/h
6th windiest
Solar energy
1.86 kWh/m²
Travel score
3.7
out of 10
Air quality
Good
PM10 17.1 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 12°C by the end.

A typical October day in Aachen reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 19°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1169
2169
3169
4159
5159
6159
7159
8159
9158
10158
11148
12148
13148
14148
15148
16148
17147
18137
19137
20137
21137
22137
23137
24137
25127
26127
27127
28127
29126
30126
31116

How October really feels in Aachen

Once humidity and wind are folded in, October 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

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Aachen weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7413.82.98.20.0
Feb / 6812.54.29.70.3
Mar / 7013.71.911.51.8
Apr13° / 5511.60.213.53.6
May17° / 6612.9015.25.1
Jun20° / 12°7613.1016.25.7
Jul22° / 14°8313.8015.86.1
Aug22° / 14°7912.9014.36.1
Sep18° / 11°6610.9012.45.6
Oct14° / 6511.9010.43.7
Nov / 6913.20.98.71.5
Dec / 8514.63.67.80.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32773
42674
52773
62773
72773
82872
92872
102971
113070
123070
133169
143169
153169
163169
173169
183169
193169
203169
213070
222971
232971
242872
252872
262872
272872
282773
292674
302674
312674

Chance of precipitation in October

Any precipitation

Aachen gets around 65 mm of rain over 11.9 wet days in October. 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 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
343
442
542
641
740
840
939
1038
1137
1237
1336
1435
1535
1635
1735
1835
1935
2036
2136
2236
2337
2437
2537
2638
2738
2839
2939
3040
3140

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18812
28812
38911
48911
59010
69010
79010
8919
9919
10928
11928
12937
13937
14946
15946
16946
17955
18955
19955
20964
21964
22964
23973
24973
25973
26982
27982
28982
29982
30991
31991

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over October. Sunrise moves from 6:43 AM to 7:34 AM, and sunset from 6:06 PM to 5:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:436:06
211.36:456:04
311.36:466:02
411.26:486:00
511.16:505:57
611.16:515:55
711.06:535:53
810.96:555:51
910.96:565:48
1010.86:585:46
1110.77:005:44
1210.77:015:42
1310.67:035:40
1410.57:055:38
1510.57:065:35
1610.47:085:33
1710.47:105:31
1810.37:115:29
1910.27:135:27
2010.27:155:25
2110.17:175:23
2210.07:185:21
2310.07:205:19
249.97:225:17
259.97:245:15
269.87:255:13
279.77:275:12
289.77:295:10
299.67:315:08
309.67:325:06
319.57:345:04

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.86 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.3 kWh/m² in June across the year — October's 1.86 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.3Moderate
32.3Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.0Moderate
132.0Moderate
142.0Dim
152.0Dim
161.9Dim
171.9Dim
181.9Dim
191.8Dim
201.8Dim
211.8Dim
221.7Dim
231.7Dim
241.6Dim
251.6Dim
261.6Dim
271.5Dim
281.5Dim
291.4Dim
301.4Dim
311.4Dim
Planning a trip in October

Is October a good time to visit Aachen?

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

3.7
Sightseeing
6th-best month of the year
0.1
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Aachen.

What to pack for Aachen in October

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

In October, Aachen sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Aachen in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aachen 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 Aachen in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Aachen 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 Aachen?

Aachen sits at 50.8°N, 6.1°E, 266 m above sea level, in Germany. The nearest listed city is Würselen, 6.0 km away.

Topography around Aachen

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

Within 3 km, the terrain around Aachen has only modest variations in elevation — a maximum elevation change of 138 m around an average of 189 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, large variations in elevation — a maximum elevation change of 1,018 m.

The land around Aachen is covered by artificial surfaces (45%) and trees (41%) within 3 km, trees (37%) and grassland (31%) within 16 km, and trees (40%), cropland (26%) and grassland (24%) within 80 km.

3 km
138 m
16 km
385 m
80 km
1,018 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Würselen 6.0 km · Kerkrade 10 km · Stolberg 10 km · Herzogenrath 10 km · Alsdorf 12 km · Heerlen 14 km · Eschweiler 14 km · Übach-Palenberg 16 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 Aachen (50.7766°, 6.0834°, elevation 266 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).