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Climate in Buenos Aires

January is the hottest month in Buenos Aires, with an average high of 29°C / 85°F; July is the coldest (15°C / 60°F). February is the wettest month, averaging 98 mm / 3.9 in of precipitation.

MonthHigh °C / °FLow °C / °FPrecip mm / inWet days
Jan29 / 8521 / 6994 / 3.75
Feb28 / 8320 / 6898 / 3.94
Mar26 / 7919 / 6578 / 3.14
Apr23 / 7315 / 5990 / 3.55
May19 / 6612 / 5366 / 2.64
Jun16 / 619 / 4839 / 1.54
Jul15 / 608 / 4654 / 2.14
Aug17 / 639 / 4953 / 2.14
Sep19 / 6611 / 5266 / 2.64
Oct22 / 7214 / 5788 / 3.56
Nov25 / 7817 / 6280 / 3.15
Dec28 / 8319 / 6680 / 3.15

Extremes since 1973: highest 38°C / 100°F (December 31, 2025), lowest -2°C / 28°F (July 16, 1977).

Daylight lasts about 14.3 hours in December and 9.7 hours in June.

Data: Meteostat — Aeroparque Bs. As. Aerodrome, 1991–2020 averages.