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Aachen

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Aachen Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Aachen year round climate

  • Spring (March–May): Average 7.9–14.6°C, mild climate with occasional showers, but generally pleasant. Common activities: Walking in city parks, visiting Aachen Cathedral. Recommended clothing: Light jacket, comfortable trousers or skirt, comfortable shoes.
  • Summer (June–August): Average 16.9–19.6°C, warm and humid, occasional showers or thunderstorms. Common activities: Hiking in the Aachen forest, enjoying open-air cafes. Recommended clothing: Short-sleeved shirts, shorts or skirts, breathable shoes, umbrella.
  • Autumn (September–November): Average 7.6–16.1°C, temperatures gradually decrease, more rainfall, changeable weather. Common activities: Visiting Aachen's museums, enjoying local cuisine. Recommended clothing: Light jacket or windbreaker, comfortable trousers or skirt, warm underwear.
  • Winter (December–February): Average 3.7–6.3°C, cold and humid, frequent rain or snow. Common activities: Experiencing the Christmas market atmosphere in Aachen (if in December). Recommended clothing: Thick coat, warm clothing, scarf, gloves, hat.

Aachen climatological average

Annual average temperature: approx. 11.6°C / Annual rainfall: approx. 971 mm / Summer humidity: 70%–80% / Rainiest month: October

Aachen monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.7°C
72
February
6.3°C
77.3
March
7.9°C
67.6
April
9.5°C
61.3
May
14.6°C
83.9
June
16.9°C
67.5
July
18.9°C
95.8
August
19.6°C
69.6
September
16.1°C
88.1
October
13.2°C
109.8
November
7.6°C
83.1
December
4.8°C
95.6

Aachen weather for the next seven days

1/9
Friday
Moderate rain
3.6°C/0.4°C
1/10
Saturday
Heavy snow
0.5°C/-2.7°C
1/11
Sunday
Patchy moderate snow
-2.1°C/-9.4°C
1/12
Monday
Moderate or heavy snow showers
1.3°C/-9°C
1/13
Tuesday
Patchy rain nearby
3.5°C/-0.4°C
1/14
Wednesday
Patchy rain nearby
5.3°C/4.2°C
1/15
Thursday
Patchy rain nearby
6.3°C/4.8°C