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Monthly climate in Buenos Aires, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Buenos Aires features a tropical monsoon climate (Am). Temperatures typically range between 22 °C (71 °F) and 28 °C (83 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 2151 mm (84.7 inches) and receives 213 rainy days on the 1 mm (0.04 inches) threshold annually. Buenos Aires enjoys an average of 3328 hours of sunshine throughout the year, and daylight varies from 11 hours 1 minutes to 13 hours 12 minutes per day.

Monthly average temperatures in Buenos Aires, Mexico

The warmest months in Buenos Aires are May, June and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 22 to 23 °C (71 - 73 °F) throughout the day. On average each year, Buenos Aires experiences 272 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Buenos Aires. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(89°F)		32°C
(91°F)		35°C
(95°F)		37°C
(99°F)		37°C
(98°F)		35°C
(95°F)		33°C
(92°F)		33°C
(92°F)		34°C
(94°F)		33°C
(92°F)		32°C
(90°F)		31°C
(88°F)
Mean maximum30°C
(87°F)		31°C
(89°F)		34°C
(93°F)		36°C
(96°F)		36°C
(96°F)		33°C
(92°F)		32°C
(90°F)		32°C
(90°F)		33°C
(91°F)		32°C
(91°F)		30°C
(86°F)		30°C
(85°F)
Average high24°C
(76°F)		26°C
(79°F)		28°C
(82°F)		30°C
(87°F)		32°C
(89°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		28°C
(84°F)		26°C
(79°F)		25°C
(77°F)
Daily mean22°C
(71°F)		23°C
(73°F)		24°C
(76°F)		26°C
(80°F)		28°C
(83°F)		27°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		26°C
(79°F)		24°C
(75°F)		22°C
(72°F)
Average low19°C
(67°F)		20°C
(68°F)		21°C
(71°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		21°C
(71°F)		20°C
(68°F)
Mean minimum16°C
(61°F)		16°C
(60°F)		17°C
(63°F)		20°C
(68°F)		22°C
(73°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		21°C
(71°F)		18°C
(65°F)		16°C
(61°F)
Minimum14°C
(58°F)		14°C
(58°F)		14°C
(58°F)		18°C
(64°F)		20°C
(68°F)		23°C
(73°F)		22°C
(72°F)		23°C
(73°F)		22°C
(71°F)		19°C
(67°F)		16°C
(61°F)		15°C
(59°F)

Compare climate in Buenos Aires with other places

Compare temperature, precipitation, sunshine, UV index in Buenos Aires, Mexico with other places around the world.

Monthly average precipitation in Buenos Aires, Mexico

Buenos Aires usually has the most precipitation in June, September and October, with an average of 24 rainy days and 322 mm (12.7 inches) of precipitation per month. The driest months in Buenos Aires are March, April and May. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Buenos Aires. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)115 (4.5)89 (3.5)58 (2.3)48 (1.9)69 (2.7)285 (11.2)226 (8.9)250 (9.8)322 (12.7)358 (14.1)222 (8.7)109 (4.3)
Average precipitation days (≥ 1 mm)14101091123262726231915

Monthly sunshine hours in Buenos Aires, Mexico

The sunniest months in Buenos Aires are April, May and July, when the sun shines an average of 10 hours 15 minutes a day. Least sunny months in Buenos Aires: January, February and December receive an average of 7 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Buenos Aires. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours191237300307328280308304281269262256
Mean daily daylight hours11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 14m11h 1m

Solar UV radiation in Buenos Aires, Mexico

Buenos Aires experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Buenos Aires UV Index data.

Average daily maximum UV levels by month for Buenos Aires. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911121313141413131198