Weather in Buenos Aires: August
| Average day temperature: | 58.8°F | |
| Average night temperature: | 51.7°F | |
| Sea water temperature: | 57.5°F | |
| Number of sunny days: | 18 days | |
| Day length: | 10.4 - 11.3 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 2.7 in. | |
| more information | ||
forecast
| Buenos Aires |
temperature
| Buenos Aires |
Air temperature in August, °F
The highest day temperature during August of 2025 was 64°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during August were 56.8°F and 51.9°F.
Sea water temperature in Buenos Aires in August, °F
The average sea water temperature in August of 2025 was 57.7°F. The highest and lowest sea temperatures during the month were 60.6°F and 55.2°F.
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Buenos Aires in August is 2.9 in. Other months of the year show relatively similar values.
The average wind speed value in August is 9.5 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.5.
Best time for vacation in Buenos Aires
Buenos Aires on a weather map

4 mph

6 mph

10 mph

11 mph

9 mph

6 mph

5 mph

6 mph



























