Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Buenos Aires features a tropical monsoon climate (Am).Temperatures typically range between 25 °C (78 °F) and 26 °C (80 °F) through the year, but rarely can drop to 20 °C (68 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 2599 mm (102.3 inches) and receives 314 rainy days on the 1 mm (0.04 inches) threshold annually.Buenos Aires enjoys an average of 3466 hours of sunshine throughout the year, and daylight varies from 11 hours 37 minutes to 12 hours 36 minutes per day.
The warmest months in Buenos Aires are April, May and June, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, Buenos Aires experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 31°C (88°F) | 32°C (89°F) | 32°C (90°F) | 33°C (92°F) | 32°C (90°F) | 32°C (90°F) | 32°C (89°F) | 32°C (89°F) | 32°C (90°F) | 32°C (89°F) | 31°C (88°F) | 31°C (89°F) |
Mean maximum | 30°C (87°F) | 31°C (88°F) | 31°C (89°F) | 32°C (90°F) | 32°C (90°F) | 31°C (88°F) | 31°C (89°F) | 31°C (89°F) | 31°C (89°F) | 31°C (89°F) | 31°C (87°F) | 30°C (87°F) |
Average high | 29°C (85°F) | 30°C (86°F) | 30°C (86°F) | 31°C (87°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 29°C (85°F) | 30°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (84°F) |
Daily mean | 25°C (78°F) | 26°C (78°F) | 26°C (79°F) | 26°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 25°C (78°F) | 25°C (78°F) | 25°C (78°F) |
Average low | 22°C (73°F) | 22°C (73°F) | 23°C (73°F) | 23°C (74°F) | 24°C (75°F) | 23°C (74°F) | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) |
Mean minimum | 20°C (69°F) | 21°C (70°F) | 21°C (71°F) | 21°C (71°F) | 22°C (73°F) | 22°C (72°F) | 22°C (73°F) | 22°C (72°F) | 22°C (72°F) | 21°C (71°F) | 22°C (71°F) | 22°C (72°F) |
Minimum | 20°C (68°F) | 20°C (69°F) | 21°C (69°F) | 20°C (68°F) | 21°C (71°F) | 21°C (70°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 21°C (70°F) | 21°C (71°F) | 21°C (71°F) |
Compare temperature, precipitation, sunshine, UV index in Buenos Aires, Panamá Oeste, Panama with other places around the world.
Buenos Aires usually has the most precipitation in May, June and October, with an average of 29 rainy days and 332 mm (13.1 inches) of precipitation per month.The driest months in Buenos Aires are January, February and March. On average, 55 mm (2.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 68 (2.7) | 41 (1.6) | 55 (2.2) | 124 (4.9) | 345 (13.6) | 315 (12.4) | 299 (11.8) | 302 (11.9) | 306 (12.0) | 334 (13.2) | 269 (10.6) | 141 (5.5) |
Average precipitation days (≥ 1 mm) | 17 | 17 | 18 | 24 | 31 | 29 | 31 | 31 | 29 | 29 | 29 | 29 |
The sunniest months in Buenos Aires are March, April and December, when the sun shines an average of 10 hours 41 minutes a day.Least sunny months in Buenos Aires: January, June and July receive an average of 8 hours 28 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 258 | 303 | 343 | 324 | 287 | 259 | 260 | 261 | 274 | 291 | 285 | 316 |
Mean daily daylight hours | 11h 40m | 11h 50m | 12h 4m | 12h 18m | 12h 30m | 12h 36m | 12h 33m | 12h 22m | 12h 8m | 11h 54m | 11h 42m | 11h 37m |
Buenos Aires experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Buenos Aires UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 12 | 13 | 14 | 15 | 14 | 13 | 14 | 13 | 13 | 13 | 12 | 10 |