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
2/26
Thursday
Sunny
16.4°C/8.5°C
2/27
Friday
Patchy rain nearby
16.5°C/8.4°C
2/28
Saturday
Patchy rain nearby
12.7°C/6.9°C
3/1
Sunday
Patchy rain nearby
11.1°C/5.2°C
3/2
Monday
Sunny
13.5°C/4.7°C
3/3
Tuesday
Overcast
10°C/5.9°C
3/4
Wednesday
Partly Cloudy
12.2°C/4.7°C
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