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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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 35° / 21° | 4 | 27 | 0 | 109 mm | Ok | Buenos Aires in January |
| February | 33° / 20° | 5 | 23 | 0 | 119 mm | Good | Buenos Aires in February |
| March | 30° / 17° | 4 | 27 | 0 | 99 mm | Good | Buenos Aires in March |
| April | 26° / 15° | 4 | 26 | 0 | 90 mm | Perfect | Buenos Aires in April |
| May | 20° / 11° | 4 | 28 | 0 | 54 mm | Good | Buenos Aires in May |
| June | 17° / 9° | 2 | 28 | 0 | 27 mm | Good | Buenos Aires in June |
| July | 17° / 8° | 2 | 29 | 0 | 27 mm | Good | Buenos Aires in July |
| August | 20° / 9° | 2 | 29 | 0 | 36 mm | Good | Buenos Aires in August |
| September | 23° / 11° | 3 | 27 | 0 | 55 mm | Perfect | Buenos Aires in September |
| October | 26° / 14° | 6 | 25 | 0 | 115 mm | Perfect | Buenos Aires in October |
| November | 30° / 17° | 6 | 24 | 0 | 141 mm | Good | Buenos Aires in November |
| December | 33° / 19° | 5 | 26 | 0 | 123 mm | Good | Buenos Aires in December |