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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 subtropical climate (Cwb). Temperatures typically range between 10 °C (51 °F) and 16 °C (60 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 28 °C (83 °F). The average annual precipitation amounts to about 1317 mm (51.8 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually. Buenos Aires enjoys an average of 3460 hours of sunshine throughout the year, and daylight varies from 10 hours 57 minutes to 13 hours 16 minutes per day.

Monthly average temperatures in Buenos Aires, Mexico

The warmest months in Buenos Aires are April, May and June, with daily mean temperatures ranging from 15 to 16 °C (59 - 60 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 10 to 12 °C (51 - 54 °F) throughout the day. On average each year, Buenos Aires experiences 16 days above 25 °C (77.0 °F) and 1 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
Maximum22°C
(73°F)		26°C
(79°F)		27°C
(81°F)		28°C
(83°F)		27°C
(82°F)		28°C
(82°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		23°C
(73°F)
Mean maximum22°C
(72°F)		24°C
(76°F)		26°C
(78°F)		26°C
(80°F)		27°C
(80°F)		26°C
(79°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		22°C
(73°F)		21°C
(71°F)
Average high19°C
(66°F)		20°C
(69°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		21°C
(71°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(67°F)		19°C
(67°F)		19°C
(66°F)
Daily mean10°C
(51°F)		12°C
(54°F)		14°C
(57°F)		15°C
(59°F)		16°C
(60°F)		15°C
(60°F)		14°C
(58°F)		14°C
(58°F)		14°C
(58°F)		13°C
(56°F)		12°C
(54°F)		11°C
(52°F)
Average low4°C
(39°F)		5°C
(41°F)		6°C
(44°F)		7°C
(46°F)		9°C
(48°F)		10°C
(51°F)		9°C
(49°F)		10°C
(50°F)		10°C
(50°F)		8°C
(47°F)		6°C
(43°F)		5°C
(40°F)
Mean minimum-0°C
(32°F)		1°C
(34°F)		4°C
(39°F)		5°C
(41°F)		6°C
(43°F)		8°C
(46°F)		7°C
(45°F)		7°C
(46°F)		6°C
(44°F)		5°C
(41°F)		2°C
(35°F)		1°C
(34°F)
Minimum-3°C
(27°F)		0°C
(33°F)		3°C
(37°F)		3°C
(38°F)		5°C
(42°F)		5°C
(42°F)		6°C
(44°F)		7°C
(44°F)		4°C
(40°F)		-0°C
(32°F)		-1°C
(30°F)		-2°C
(28°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 July, August and September, with an average of 25 rainy days and 261 mm (10.3 inches) of precipitation per month. The driest months in Buenos Aires are January, February and December. On average, 14 mm (0.6 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)14 (0.5)22 (0.9)32 (1.3)54 (2.1)89 (3.5)200 (7.9)270 (10.6)276 (10.8)237 (9.3)89 (3.5)29 (1.1)7 (0.3)
Average precipitation days (≥ 1 mm)248913172727231441

Monthly sunshine hours in Buenos Aires, Mexico

The sunniest months in Buenos Aires are March, April and May, when the sun shines an average of 10 hours 34 minutes a day. Least sunny months in Buenos Aires: January, February and September receive an average of 8 hours 39 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 hours238277318320334286289280263278279293
Mean daily daylight hours11h 5m11h 30m12h 2m12h 35m13h 3m13h 16m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m

Solar UV radiation in Buenos Aires, Mexico

Buenos Aires experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 15 - 16, 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 10. 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)10121515161514141412109