General José de San Martín Weather in April
Average highs run from 31°C on April 1 to 27°C on April 30, and lows from 18°C to 15°C. Normal precipitation for the month is 159 mm over about 12 wet days.
April day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
April at a glance
- Average high
- 29°C
- Average low
- 16°C
- Precipitation
- 159 mm
- Reanalysis high
- 38°CApr 3, 2009
- Reanalysis low
- 2°CApr 17, 1999
- Daylight
- 11 h 48 min to 11 h 07 min
- Cloud cover
- 55%
- Humidity
- 78%
- Dew point
- 17°C
- Wind
- 7.2 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 31°C | 18°C | 37°C 2020 | 10°C 2002 | 36% |
| Apr 2 | 31°C | 18°C | 38°C 2009 | 11°C 2002 | 36% |
| Apr 3 | 31°C | 18°C | 38°C 2009 | 12°C 2020 | 36% |
| Apr 4 | 31°C | 18°C | 36°C 2016 | 10°C 1997 | 36% |
| Apr 5 | 30°C | 18°C | 36°C 2016 | 7°C 1997 | 36% |
| Apr 6 | 30°C | 18°C | 35°C 2004 | 11°C 2010 | 37% |
| Apr 7 | 30°C | 18°C | 36°C 2016 | 10°C 1994 | 38% |
| Apr 8 | 30°C | 17°C | 35°C 2008 | 10°C 2020 | 37% |
| Apr 9 | 30°C | 17°C | 35°C 2009 | 10°C 2020 | 38% |
| Apr 10 | 30°C | 17°C | 37°C 2000 | 11°C 2020 | 38% |
| Apr 11 | 29°C | 17°C | 35°C 2008 | 10°C 1995 | 37% |
| Apr 12 | 29°C | 17°C | 35°C 2009 | 6°C 1995 | 37% |
| Apr 13 | 29°C | 17°C | 36°C 2009 | 8°C 2003 | 36% |
| Apr 14 | 29°C | 16°C | 36°C 2004 | 7°C 2014 | 36% |
| Apr 15 | 29°C | 16°C | 35°C 2004 | 5°C 2008 | 37% |
| Apr 16 | 29°C | 16°C | 35°C 2009 | 5°C 1999 | 37% |
| Apr 17 | 29°C | 16°C | 36°C 2009 | 2°C 1999 | 37% |
| Apr 18 | 28°C | 16°C | 36°C 2009 | 7°C 1999 | 37% |
| Apr 19 | 28°C | 16°C | 36°C 2009 | 6°C 1999 | 38% |
| Apr 20 | 28°C | 16°C | 36°C 2010 | 6°C 1991 | 38% |
| Apr 21 | 28°C | 16°C | 34°C 2018 | 5°C 1995 | 38% |
| Apr 22 | 28°C | 16°C | 35°C 2018 | 6°C 1995 | 37% |
| Apr 23 | 28°C | 16°C | 34°C 2008 | 7°C 1995 | 37% |
| Apr 24 | 28°C | 15°C | 34°C 2020 | 8°C 1995 | 36% |
| Apr 25 | 27°C | 15°C | 36°C 2020 | 7°C 2005 | 35% |
| Apr 26 | 27°C | 15°C | 33°C 2003 | 7°C 2005 | 36% |
| Apr 27 | 27°C | 15°C | 35°C 2020 | 6°C 2016 | 34% |
| Apr 28 | 27°C | 15°C | 34°C 2020 | 5°C 2016 | 33% |
| Apr 29 | 27°C | 15°C | 35°C 2018 | 5°C 2016 | 32% |
| Apr 30 | 27°C | 15°C | 36°C 2018 | 6°C 2012 | 31% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- April 1
- sunrise 7:07 AM, sunset 6:55 PM
- April 30
- sunrise 7:21 AM, sunset 6:28 PM
Other months
Sources
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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.