Aachen weather records
Record high and low temperatures for Aachen, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 40°C on 2019-07-25; its coldest fell to -20°C on 2009-01-06.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 15°C1999-01-05
-14°C1997-01-01
|
11°C2008-01-19
-20°C2009-01-06
|
| February | 21°C2019-02-27
-9°C1986-02-09
|
12°C2021-02-22
-18°C1986-02-22
|
| March | 24°C2021-03-31
-4°C1987-03-03
|
12°C1989-03-28
-11°C2013-03-15
|
| April | 27°C2018-04-19
0°C1986-04-11
|
15°C1996-04-22
-5°C1986-04-12
|
| May | 31°C2017-05-29
6°C2010-05-11
|
18°C2017-05-29
-2°C1981-05-03
|
| June | 33°C2017-06-22
9°C1985-06-08
|
21°C2013-06-19
2°C1991-06-05
|
| July | 40°C2019-07-25
11°C1984-07-03
|
23°C2015-07-04
4°C1984-07-01
|
| August | 36°C2003-08-12
12°C1996-08-29
|
23°C2012-08-19
6°C1980-08-25
|
| September | 32°C2020-09-15
9°C1986-09-17
|
19°C2016-09-14
2°C2018-09-29
|
| October | 25°C2023-10-02
3°C2003-10-24
|
18°C1985-10-03
-5°C2003-10-24
|
| November | 20°C2014-11-01
-4°C1993-11-21
|
15°C2015-11-07
-10°C1998-11-23
|
| December | 16°C2022-12-31
-8°C1996-12-31
|
13°C2022-12-31
-16°C1996-12-31
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 21°C2019-02-27
-14°C1997-01-01
|
13°C2022-12-31
-20°C2009-01-06
|
| Spring (Mar–May) | 31°C2017-05-29
-4°C1987-03-03
|
18°C2017-05-29
-11°C2013-03-15
|
| Summer (Jun–Aug) | 40°C2019-07-25
9°C1985-06-08
|
23°C2012-08-19
2°C1991-06-05
|
| Autumn (Sep–Nov) | 32°C2020-09-15
-4°C1993-11-21
|
19°C2016-09-14
-10°C1998-11-23
|
All-time records
The most extreme value Aachen has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.