The temperatures in Buenos Aires in August are quite cold with temperatures between 9°C and 20°C, warm clothes are a must.
The wather in Buenos Aires in August can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Buenos Aires in August 2025.
If you’re planning to visit Buenos Aires in the near future, we highly recommend that you review the 14 day weather forecast for Buenos Aires before you arrive.
Temperatures
20° / 9°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
36
mm
Sun Hours
10.8
Hrs
