Köln weather records
Record high and low temperatures for Köln, 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 -18°C on 2009-01-07.
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
-11°C1987-01-13
|
11°C2008-01-19
-18°C2009-01-07
|
| February | 20°C2019-02-27
-10°C1986-02-09
|
12°C2004-02-05
-16°C1985-02-15
|
| March | 25°C2021-03-31
-3°C2013-03-12
|
13°C1998-03-30
-15°C1987-03-04
|
| April | 28°C2007-04-28
1°C1986-04-11
|
15°C2007-04-25
-6°C1986-04-12
|
| May | 33°C2017-05-29
7°C1985-05-02
|
19°C2017-05-29
0°C1981-05-03
|
| June | 35°C2026-06-26
11°C1989-06-05
|
24°C2026-06-27
3°C1991-06-05
|
| July | 40°C2019-07-25
12°C1984-07-03
|
24°C2019-07-26
5°C1984-07-01
|
| August | 38°C2003-08-12
14°C1996-08-29
|
24°C1992-08-09
5°C2025-08-25
|
| September | 34°C2020-09-15
10°C2025-09-25
|
20°C2016-09-14
3°C2018-09-29
|
| October | 27°C2018-10-13
3°C1985-10-30
|
17°C2009-10-07
-5°C2003-10-24
|
| November | 20°C2020-11-02
-4°C1993-11-21
|
16°C2015-11-07
-7°C1998-11-23
|
| December | 17°C2022-12-31
-9°C2009-12-19
|
13°C2022-12-31
-14°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) | 20°C2019-02-27
-11°C1987-01-13
|
13°C2022-12-31
-18°C2009-01-07
|
| Spring (Mar–May) | 33°C2017-05-29
-3°C2013-03-12
|
19°C2017-05-29
-15°C1987-03-04
|
| Summer (Jun–Aug) | 40°C2019-07-25
11°C1989-06-05
|
24°C2019-07-26
3°C1991-06-05
|
| Autumn (Sep–Nov) | 34°C2020-09-15
-4°C1993-11-21
|
20°C2016-09-14
-7°C1998-11-23
|
All-time records
The most extreme value Köln 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.