Bonn, North Rhine-Westphalia, Germany weather records
Record high and low temperatures for Bonn, North Rhine-Westphalia, Germany, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 39°C on 2019-07-25; its coldest fell to -22°C on 1985-01-14.
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 | 12°C1991-01-10
-13°C1987-01-15
|
9°C2008-01-19
-22°C1985-01-14
|
| February | 17°C2019-02-27
-11°C1986-02-09
|
9°C1989-02-19
-19°C1985-02-13
|
| March | 22°C2021-03-31
-4°C2005-03-01
|
9°C1981-03-25
-13°C2005-03-01
|
| April | 25°C2018-04-20
-1°C1986-04-11
|
13°C2024-04-07
-7°C1986-04-12
|
| May | 29°C2017-05-29
5°C2010-05-06
|
17°C2005-05-27
-2°C1996-05-05
|
| June | 36°C2026-06-27
8°C1986-06-06
|
24°C2026-06-27
1°C1991-06-05
|
| July | 39°C2019-07-25
13°C1981-07-25
|
22°C2019-07-25
3°C1984-07-01
|
| August | 37°C2003-08-08
13°C1995-08-29
|
24°C2003-08-08
4°C2016-08-11
|
| September | 32°C2020-09-15
9°C2025-09-25
|
18°C2024-09-02
1°C2008-09-19
|
| October | 26°C2023-10-02
3°C2015-10-15
|
15°C2023-10-13
-5°C1997-10-28
|
| November | 18°C2020-11-02
-4°C1993-11-30
|
12°C2015-11-07
-11°C1998-11-22
|
| December | 14°C2022-12-31
-11°C2009-12-19
|
10°C2006-12-05
-17°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) | 17°C2019-02-27
-13°C1987-01-15
|
10°C2006-12-05
-22°C1985-01-14
|
| Spring (Mar–May) | 29°C2017-05-29
-4°C2005-03-01
|
17°C2005-05-27
-13°C2005-03-01
|
| Summer (Jun–Aug) | 39°C2019-07-25
8°C1986-06-06
|
24°C2026-06-27
1°C1991-06-05
|
| Autumn (Sep–Nov) | 32°C2020-09-15
-4°C1993-11-30
|
18°C2024-09-02
-11°C1998-11-22
|
All-time records
The most extreme value Bonn has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.