Aachen, North Rhine-Westphalia, Germany climate
Average temperatures, precipitation and all-time records for Aachen, North Rhine-Westphalia, Germany, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 24°C, and its coldest is January, with an average low of -1°C.
Aachen is the 13th-largest city in North Rhine-Westphalia and the 27th-largest city of Germany, with around 261,000 inhabitants. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Aachen, North Rhine-Westphalia, Germany's own ±7-day seasonal distribution.
Aachen average temperatures by month
Typical daily high and low, and average precipitation, for each month in Aachen, North Rhine-Westphalia, Germany, based on 1981–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 5°C | -1°C | 3 mm |
| February | 6°C | -1°C | 3 mm |
| March | 11°C | 2°C | 3 mm |
| April | 14°C | 3°C | 3 mm |
| May | 18°C | 8°C | 3 mm |
| June | 21°C | 11°C | 3 mm |
| July | 23°C | 13°C | 3 mm |
| August | 24°C | 13°C | 3 mm |
| September | 20°C | 11°C | 3 mm |
| October | 16°C | 7°C | 3 mm |
| November | 9°C | 3°C | 3 mm |
| December | 5°C | 0°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
Thinking of visiting Aachen?
Trips live and die by the weather. See how Aachen's comfort stacks up against where you live. Aachen is pre-loaded, just add your city.
Record extremes
- Hottest day on record: 41°C on 2019-07-25
- Coldest day on record: -23°C on 1985-01-14
Percentiles compare each day to Aachen, North Rhine-Westphalia, Germany's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →