Buenos Aires Weather in March
Average highs run from 29°C on March 1 to 26°C on March 31, and lows from 17°C to 14°C. Normal precipitation for the month is 115 mm over about 9 wet days.
March day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 28°C
- Average low
- 16°C
- Precipitation
- 115 mm
- Record high
- 36°CMar 23, 1980
- Record low
- 7°CMar 29, 1976
- Daylight
- 12 h 49 min to 11 h 44 min
- Cloud cover
- 46%
- Humidity
- 71%
- Dew point
- 15°C
- Wind
- 14.0 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 |
|---|---|---|---|---|---|
| Mar 1 | 29°C | 17°C | 32°C 2001 | 13°C 1979 | 28% |
| Mar 2 | 29°C | 17°C | 34°C 2023 | 12°C 1977 | 28% |
| Mar 3 | 29°C | 17°C | 34°C 2023 | 12°C 1981 | 29% |
| Mar 4 | 29°C | 17°C | 31°C 1991 | 13°C 2006 | 30% |
| Mar 5 | 29°C | 17°C | 35°C 2023 | 11°C 1981 | 31% |
| Mar 6 | 29°C | 17°C | 30°C 2012 | 13°C 1978 | 29% |
| Mar 7 | 29°C | 17°C | 36°C 2025 | 12°C 1978 | 29% |
| Mar 8 | 29°C | 17°C | 32°C 2025 | 12°C 1978 | 30% |
| Mar 9 | 29°C | 17°C | 32°C 2021 | 13°C 2019 | 30% |
| Mar 10 | 28°C | 17°C | 32°C 2024 | 14°C 2005 | 31% |
| Mar 11 | 28°C | 16°C | 32°C 1981 | 11°C 1981 | 32% |
| Mar 12 | 28°C | 16°C | 36°C 2023 | 11°C 1974 | 32% |
| Mar 13 | 28°C | 16°C | 35°C 2023 | 9°C 1976 | 34% |
| Mar 14 | 28°C | 16°C | 30°C 2015 | 11°C 2013 | 35% |
| Mar 15 | 28°C | 16°C | 35°C 2023 | 11°C 2010 | 34% |
| Mar 16 | 27°C | 16°C | 29°C 2002 | 10°C 1974 | 35% |
| Mar 17 | 27°C | 15°C | 30°C 1980 | 12°C 1974 | 34% |
| Mar 18 | 27°C | 15°C | 32°C 2023 | 9°C 1975 | 34% |
| Mar 19 | 27°C | 15°C | 32°C 1980 | 11°C 2022 | 34% |
| Mar 20 | 27°C | 15°C | 31°C 2012 | 11°C 1975 | 34% |
| Mar 21 | 27°C | 15°C | 33°C 1980 | 13°C 2015 | 35% |
| Mar 22 | 27°C | 15°C | 30°C 2025 | 12°C 2005 | 35% |
| Mar 23 | 27°C | 15°C | 36°C 1980 | 13°C 2012 | 34% |
| Mar 24 | 26°C | 15°C | 30°C 1995 | 11°C 1997 | 34% |
| Mar 25 | 26°C | 15°C | 30°C 2004 | 10°C 2022 | 33% |
| Mar 26 | 26°C | 14°C | 31°C 2004 | 12°C 2018 | 32% |
| Mar 27 | 26°C | 14°C | 31°C 2008 | 8°C 1990 | 32% |
| Mar 28 | 26°C | 14°C | 30°C 1993 | 9°C 2012 | 33% |
| Mar 29 | 26°C | 14°C | 30°C 2009 | 7°C 1976 | 33% |
| Mar 30 | 26°C | 14°C | 31°C 2009 | 10°C 2022 | 34% |
| Mar 31 | 26°C | 14°C | 29°C 2025 | 9°C 2022 | 33% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- March 1
- sunrise 6:41 AM, sunset 7:30 PM
- March 31
- sunrise 7:05 AM, sunset 6:49 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ARM00087582, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.