Buenos Aires Weather in August
Average highs run from 32°C on August 1 to 33°C on August 31, and lows from 20°C to 21°C. Normal precipitation for the month is 37 mm over about 7 wet days.
August day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 33°C
- Average low
- 20°C
- Precipitation
- 37 mm
- Record high
- 39°CAug 26, 2023
- Record low
- 12°CAug 9, 1963
- Daylight
- 11 h 49 min to 11 h 59 min
- Cloud cover
- 57%
- Humidity
- 63%
- Dew point
- 17°C
- Wind
- 2.9 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 32°C | 20°C | 36°C 1991 | 15°C 1963 | 23% |
| Aug 2 | 32°C | 20°C | 35°C 1975 | 16°C 1990 | 22% |
| Aug 3 | 32°C | 20°C | 35°C 1963 | 15°C 1975 | 23% |
| Aug 4 | 32°C | 20°C | 36°C 1997 | 15°C 1964 | 23% |
| Aug 5 | 32°C | 20°C | 36°C 1995 | 13°C 2019 | 23% |
| Aug 6 | 32°C | 20°C | 36°C 2012 | 15°C 1967 | 23% |
| Aug 7 | 32°C | 20°C | 37°C 1998 | 14°C 2019 | 22% |
| Aug 8 | 32°C | 20°C | 37°C 1983 | 14°C 1963 | 21% |
| Aug 9 | 32°C | 20°C | 38°C 2023 | 12°C 1963 | 21% |
| Aug 10 | 32°C | 20°C | 36°C 2016 | 15°C 1966 | 20% |
| Aug 11 | 32°C | 20°C | 37°C 1991 | 15°C 1964 | 20% |
| Aug 12 | 32°C | 20°C | 37°C 1983 | 17°C 1974 | 20% |
| Aug 13 | 32°C | 20°C | 36°C 2011 | 15°C 1963 | 20% |
| Aug 14 | 32°C | 20°C | 37°C 2017 | 16°C 1966 | 22% |
| Aug 15 | 32°C | 20°C | 37°C 1983 | 15°C 1964 | 22% |
| Aug 16 | 33°C | 20°C | 36°C 1966 | 14°C 1978 | 22% |
| Aug 17 | 33°C | 20°C | 36°C 1965 | 15°C 1978 | 22% |
| Aug 18 | 33°C | 20°C | 37°C 1983 | 14°C 1978 | 21% |
| Aug 19 | 33°C | 21°C | 38°C 1998 | 15°C 1966 | 21% |
| Aug 20 | 33°C | 21°C | 38°C 2023 | 16°C 1977 | 20% |
| Aug 21 | 33°C | 21°C | 36°C 2011 | 15°C 2022 | 22% |
| Aug 22 | 33°C | 21°C | 36°C 2012 | 15°C 2022 | 23% |
| Aug 23 | 33°C | 21°C | 36°C 1997 | 14°C 1965 | 23% |
| Aug 24 | 33°C | 21°C | 38°C 2023 | 17°C 2000 | 22% |
| Aug 25 | 33°C | 21°C | 37°C 2021 | 18°C 2022 | 23% |
| Aug 26 | 33°C | 21°C | 39°C 2023 | 16°C 1978 | 24% |
| Aug 27 | 33°C | 21°C | 37°C 1996 | 14°C 1984 | 25% |
| Aug 28 | 33°C | 21°C | 38°C 1963 | 15°C 1966 | 25% |
| Aug 29 | 33°C | 21°C | 37°C 2005 | 16°C 1984 | 26% |
| Aug 30 | 33°C | 21°C | 37°C 2010 | 17°C 1965 | 25% |
| Aug 31 | 33°C | 21°C | 38°C 1963 | 15°C 1968 | 24% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- August 1
- sunrise 6:17 AM, sunset 6:06 PM
- August 31
- sunrise 6:06 AM, sunset 6:05 PM
Other months
Sources
Records: NOAA GHCN-Daily, station PE000084455, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-28. Sun and moon: computed with the NOAA solar equations and Meeus.