Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

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 1981–2026 of daily climate history. Its hottest day on record reached 36°C on 2022-12-09; its coldest fell to 3°C on 1991-08-01.

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.

MonthDaytime highOvernight low
January
36°C2022-01-11
20°C2005-01-31
29°C2022-01-15
14°C1988-01-30
February
35°C2023-02-11
17°C2023-02-17
29°C2024-02-07
13°C2023-02-17
March
35°C2023-03-02
17°C2002-03-31
28°C2023-03-12
12°C2022-03-31
April
30°C2004-04-03
12°C2016-04-27
24°C2004-04-04
9°C2016-04-27
May
26°C1997-05-08
8°C2007-05-28
19°C2018-05-09
5°C2007-05-29
June
22°C2015-06-05
7°C2025-06-30
19°C2005-06-07
3°C1984-06-27
July
22°C2008-07-15
7°C2010-07-15
17°C2023-07-04
3°C2007-07-10
August
26°C2009-08-30
7°C2010-08-04
18°C2002-08-25
3°C1991-08-01
September
26°C1994-09-23
10°C1981-09-14
19°C2007-09-09
6°C2006-09-02
October
31°C2021-10-27
12°C2020-10-03
22°C2014-10-26
6°C2015-10-03
November
32°C2022-11-24
14°C1992-11-04
26°C2008-11-27
9°C1992-11-04
December
36°C2022-12-09
18°C2001-12-02
29°C2013-12-29
12°C2018-12-02

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).

SeasonDaytime highOvernight low
Summer (Dec–Feb)
36°C2022-12-09
17°C2023-02-17
29°C2024-02-07
12°C2018-12-02
Autumn (Mar–May)
35°C2023-03-02
8°C2007-05-28
28°C2023-03-12
5°C2007-05-29
Winter (Jun–Aug)
26°C2009-08-30
7°C2025-06-30
19°C2005-06-07
3°C1991-08-01
Spring (Sep–Nov)
32°C2022-11-24
10°C1981-09-14
26°C2008-11-27
6°C2006-09-02

All-time records

The most extreme value Buenos Aires has recorded for each metric across its entire history.

High

Highest 36°C 2022-12-09
Lowest 7°C 2025-06-30

Low

Highest 29°C 2024-02-07
Lowest 3°C 1991-08-01

Feels-like

Highest 49°C 2005-01-07
Lowest -4°C 1991-08-01

Humidity

Highest 23.7 g/m³ 2019-01-29
Lowest 4.1 g/m³ 2013-06-20

Wind

Highest 76 km/h 2000-05-16
Lowest 7 km/h 2026-05-31

Precip

Wettest 120 mm 1985-05-30
Driest 51-day dry spell 1987-05-08

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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