Buenos Aires Weather by Month
Twelve months of Buenos Aires, Argentina weather — averages from 2006–2025.
Buenos Aires's warmest month is January (average high 28.3°C (82.9°F)) and the coolest is July (13.8°C (56.8°F)). The most rain falls in March (about 132 mm), and June is the driest (about 49 mm). December is the sunniest, with about 12.5 hours of sunshine a day.
Best months to visit Buenos Aires
Ranked within Buenos Aires's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Buenos Aires month by month
January
GoodHigh 28.3°C (82.9°F)
Low 20.9°C (69.6°F)
- Rainfall
- 78 mm (3.1 in)
- Rainy days
- 8 rainy days
- Sunshine
- 12.3 h sunshine / day
February
GoodHigh 27.3°C (81.1°F)
Low 20.3°C (68.5°F)
- Rainfall
- 111 mm (4.4 in)
- Rainy days
- 8 rainy days
- Sunshine
- 11.1 h sunshine / day
March
GreatHigh 24.6°C (76.3°F)
Low 18.1°C (64.6°F)
- Rainfall
- 132 mm (5.2 in)
- Rainy days
- 8 rainy days
- Sunshine
- 10.2 h sunshine / day
April
GreatHigh 21.3°C (70.3°F)
Low 14.9°C (58.8°F)
- Rainfall
- 91 mm (3.6 in)
- Rainy days
- 7 rainy days
- Sunshine
- 8.8 h sunshine / day
May
GoodHigh 17.3°C (63.1°F)
Low 11.3°C (52.3°F)
- Rainfall
- 74 mm (2.9 in)
- Rainy days
- 6 rainy days
- Sunshine
- 7.8 h sunshine / day
June
GoodHigh 14.4°C (57.9°F)
Low 8.2°C (46.8°F)
- Rainfall
- 49 mm (1.9 in)
- Rainy days
- 6 rainy days
- Sunshine
- 7.7 h sunshine / day
July
GoodHigh 13.8°C (56.8°F)
Low 7.6°C (45.7°F)
- Rainfall
- 66 mm (2.6 in)
- Rainy days
- 7 rainy days
- Sunshine
- 7.6 h sunshine / day
August
GoodHigh 15.6°C (60.1°F)
Low 8.7°C (47.7°F)
- Rainfall
- 62 mm (2.5 in)
- Rainy days
- 6 rainy days
- Sunshine
- 8.2 h sunshine / day
September
GoodHigh 17.9°C (64.2°F)
Low 10.8°C (51.4°F)
- Rainfall
- 80 mm (3.2 in)
- Rainy days
- 7 rainy days
- Sunshine
- 9.1 h sunshine / day
October
GreatHigh 20.8°C (69.4°F)
Low 13.5°C (56.3°F)
- Rainfall
- 102 mm (4 in)
- Rainy days
- 9 rainy days
- Sunshine
- 10.2 h sunshine / day
November
GreatHigh 24.4°C (75.9°F)
Low 16.5°C (61.7°F)
- Rainfall
- 91 mm (3.6 in)
- Rainy days
- 8 rainy days
- Sunshine
- 11.4 h sunshine / day
December
GoodHigh 27.2°C (81°F)
Low 19.2°C (66.6°F)
- Rainfall
- 77 mm (3 in)
- Rainy days
- 8 rainy days
- Sunshine
- 12.5 h sunshine / day
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.