Weather in Aachen: August
| Average day temperature: | 71.6°F | |
| Average night temperature: | 57.9°F | |
| Number of sunny days: | 12 days | |
| Day length: | 13.6 - 15.3 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 1.8 in. | |
| more information | ||
14 days
forecast
forecast
| Aachen |
weather in
September
September
| Aachen |
Air temperature in August, °F
Show year:
2025
2024
2023
The highest day temperature during August of 2025 was 91°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during August were 75.1°F and 56.2°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in August is almost equal.
Precipitation total in August, in.
Precipitation total value in Aachen in August is 1.6 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 7.7 mph It makes August one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.0.
Best time for vacation in Aachen
Aachen on a weather map
Places in Germany:
Name
°F
24 Hours Forecast
Aachen
Local time: 22:14
December 26, friday
0000

27°F
W
7 mph
7 mph
0300

25°F
W
7 mph
7 mph
0600

27°F
W
7 mph
7 mph
0900

28°F
W
8 mph
8 mph
1200

37°F
W
11 mph
11 mph
1500

37°F
W
9 mph
9 mph
1800

30°F
W
6 mph
6 mph
2100

30°F
W
7 mph
7 mph



























