Best Time to Visit Aachen
Best time: Aug, Jun, Jul, May.
Aug is warmest (22.3°C high); Jul is rainiest (83 mm).
Aachen weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 5 | 0.2 | 73 | 1.2 |
| Feb | 5.7 | -0.1 | 67 | 2.3 |
| Mar | 9.5 | 2.4 | 74 | 3.9 |
| Apr | 12.7 | 4.3 | 60 | 6.1 |
| May | 17.6 | 8.5 | 72 | 7.8 |
| Jun | 20.1 | 11.3 | 82 | 8.1 |
| Jul | 22.2 | 13.2 | 83 | 7.8 |
| Aug | 22.3 | 13.1 | 70 | 7 |
| Sep | 18.5 | 10.4 | 73 | 4.9 |
| Oct | 14 | 7 | 67 | 3 |
| Nov | 8.6 | 3.3 | 74 | 1.5 |
| Dec | 5.9 | 1.5 | 82 | 0.9 |
Average high temperature
Best months by activity
Overall: AugJunJulMay
Beaches: AugJulJunMay
Hiking: MayAugAprJun
Sightseeing: AugJunMayJul
Aachen quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Aachen?
Aug, Jun, Jul, May.
What is the rainiest month?
Jul, about 83 mm.
What is the warmest month?
Aug, with average highs of 22.3°C.
Where to stay
See Aachen hotels · Book Aachen tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.