Buenos Aires weather records
Record high and low temperatures for Buenos Aires, 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 42°C on 2022-01-14; its coldest fell to -5°C on 1995-06-29.
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 | 42°C2022-01-14
17°C2005-01-31
|
27°C2012-01-10
9°C1992-01-15
|
| February | 40°C2023-02-12
16°C2023-02-17
|
28°C2023-02-12
7°C2023-02-18
|
| March | 38°C2023-03-11
16°C2002-03-31
|
27°C2023-03-12
5°C2022-03-31
|
| April | 34°C2004-04-04
12°C2016-04-27
|
23°C2018-04-11
2°C2005-04-26
|
| May | 30°C1997-05-07
7°C2007-05-28
|
23°C1980-05-13
-3°C2008-05-31
|
| June | 27°C2024-06-13
5°C2025-06-30
|
20°C2024-06-13
-5°C1995-06-29
|
| July | 28°C1997-07-29
5°C2007-07-09
|
20°C1997-07-28
-4°C2025-07-02
|
| August | 32°C1996-08-24
6°C1991-08-01
|
22°C2024-08-02
-3°C1995-08-10
|
| September | 33°C2013-09-10
8°C1981-09-14
|
22°C2013-09-10
-2°C1996-09-06
|
| October | 34°C2021-10-27
12°C1999-10-02
|
22°C2002-10-13
0°C1999-10-03
|
| November | 36°C2021-11-21
14°C2002-11-10
|
23°C2008-11-27
3°C2007-11-15
|
| December | 39°C1995-12-18
17°C2001-12-02
|
25°C1983-12-28
5°C1999-12-06
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Southern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Summer (Dec–Feb) | 42°C2022-01-14
16°C2023-02-17
|
28°C2023-02-12
5°C1999-12-06
|
| Autumn (Mar–May) | 38°C2023-03-11
7°C2007-05-28
|
27°C2023-03-12
-3°C2008-05-31
|
| Winter (Jun–Aug) | 32°C1996-08-24
5°C2007-07-09
|
22°C2024-08-02
-5°C1995-06-29
|
| Spring (Sep–Nov) | 36°C2021-11-21
8°C1981-09-14
|
23°C2008-11-27
-2°C1996-09-06
|
All-time records
The most extreme value Buenos Aires 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.