Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Buenos Aires features a tropical rainforest climate (Af).Temperatures typically range between 18 °C (65 °F) and 19 °C (66 °F) through the year, but rarely can drop to 8 °C (46 °F) or can rise to as high as 27 °C (81 °F).The average annual precipitation amounts to about 3254 mm (128.1 inches) and receives 346 rainy days on the 1 mm (0.04 inches) threshold annually.Buenos Aires enjoys an average of 2774 hours of sunshine throughout the year, and daylight varies from 11 hours 56 minutes to 12 hours 16 minutes per day.
The warmest months in Buenos Aires are February, April and May, with daily mean temperatures ranging from 19 to 19 °C (66 - 66 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 18 to 18 °C (65 - 65 °F) throughout the day. On average each year, Buenos Aires experiences 11 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 | 26°C (79°F) | 27°C (81°F) | 26°C (78°F) | 27°C (81°F) | 26°C (79°F) | 25°C (78°F) | 25°C (78°F) | 26°C (80°F) | 25°C (77°F) | 25°C (77°F) | 26°C (79°F) | 25°C (78°F) |
Mean maximum | 25°C (77°F) | 25°C (78°F) | 25°C (78°F) | 25°C (78°F) | 25°C (77°F) | 25°C (76°F) | 25°C (77°F) | 25°C (78°F) | 24°C (76°F) | 25°C (77°F) | 25°C (77°F) | 25°C (76°F) |
Average high | 23°C (73°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 22°C (73°F) | 23°C (73°F) | 22°C (73°F) |
Daily mean | 18°C (65°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 18°C (66°F) | 18°C (66°F) | 18°C (66°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
Average low | 15°C (59°F) | 15°C (60°F) | 15°C (60°F) | 16°C (60°F) | 16°C (60°F) | 15°C (60°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (60°F) | 15°C (60°F) |
Mean minimum | 13°C (55°F) | 13°C (56°F) | 13°C (55°F) | 14°C (58°F) | 14°C (57°F) | 14°C (58°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 14°C (58°F) | 14°C (57°F) |
Minimum | 8°C (46°F) | 12°C (54°F) | 10°C (50°F) | 13°C (56°F) | 13°C (56°F) | 14°C (57°F) | 13°C (56°F) | 13°C (55°F) | 13°C (55°F) | 13°C (56°F) | 13°C (57°F) | 13°C (55°F) |
Compare temperature, precipitation, sunshine, UV index in Buenos Aires, Cauca, Colombia with other places around the world.
Buenos Aires usually has the most precipitation in April, October and November, 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, August and September. On average, 184 mm (7.3 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 191 (7.5) | 280 (11.0) | 313 (12.3) | 333 (13.1) | 315 (12.4) | 260 (10.2) | 213 (8.4) | 174 (6.8) | 188 (7.4) | 329 (13.0) | 335 (13.2) | 324 (12.8) |
Average precipitation days (≥ 1 mm) | 24 | 27 | 30 | 29 | 30 | 29 | 30 | 29 | 29 | 30 | 29 | 30 |
The sunniest months in Buenos Aires are March, July and August, when the sun shines an average of 8 hours 23 minutes a day.Least sunny months in Buenos Aires: April, October and November receive an average of 6 hours 40 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 221 | 245 | 256 | 219 | 221 | 231 | 258 | 265 | 240 | 202 | 184 | 225 |
Mean daily daylight hours | 11h 57m | 12h 0m | 12h 5m | 12h 10m | 12h 14m | 12h 16m | 12h 15m | 12h 11m | 12h 6m | 12h 2m | 11h 58m | 11h 56m |
Buenos Aires experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 17, which corresponds to the Extreme category of sun exposure.June, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. 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) | 15 | 16 | 16 | 17 | 15 | 13 | 14 | 14 | 14 | 14 | 13 | 12 |