San Isidro Weather in April
Average highs run from 27°C on April 1 to 24°C on April 30, and lows from 14°C to 11°C. Normal precipitation for the month is 33 mm over about 6 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
- 25°C
- Average low
- 13°C
- Precipitation
- 33 mm
- Reanalysis high
- 36°CApr 19, 2007
- Reanalysis low
- 1°CApr 26, 2005
- Daylight
- 11 h 47 min to 11 h 02 min
- Cloud cover
- 57%
- Humidity
- 69%
- Dew point
- 12°C
- Wind
- 11.2 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 | 27°C | 14°C | 32°C 2016 | 8°C 2002 | 26% |
| Apr 2 | 27°C | 14°C | 33°C 2004 | 8°C 2005 | 25% |
| Apr 3 | 27°C | 14°C | 35°C 2004 | 8°C 2005 | 25% |
| Apr 4 | 27°C | 14°C | 35°C 2012 | 8°C 1996 | 25% |
| Apr 5 | 26°C | 14°C | 34°C 1995 | 9°C 1997 | 25% |
| Apr 6 | 26°C | 14°C | 33°C 2002 | 7°C 1993 | 25% |
| Apr 7 | 26°C | 14°C | 34°C 1995 | 8°C 1994 | 25% |
| Apr 8 | 26°C | 14°C | 32°C 1995 | 8°C 1994 | 24% |
| Apr 9 | 26°C | 13°C | 32°C 2000 | 8°C 1992 | 23% |
| Apr 10 | 26°C | 13°C | 35°C 2018 | 7°C 2017 | 21% |
| Apr 11 | 26°C | 13°C | 34°C 2018 | 8°C 1995 | 20% |
| Apr 12 | 26°C | 13°C | 32°C 2004 | 7°C 1995 | 18% |
| Apr 13 | 26°C | 13°C | 34°C 2004 | 7°C 2013 | 17% |
| Apr 14 | 26°C | 13°C | 33°C 2007 | 5°C 2008 | 17% |
| Apr 15 | 26°C | 13°C | 32°C 2016 | 4°C 2008 | 16% |
| Apr 16 | 25°C | 13°C | 32°C 1991 | 4°C 1999 | 16% |
| Apr 17 | 25°C | 13°C | 35°C 2007 | 2°C 1999 | 17% |
| Apr 18 | 25°C | 12°C | 33°C 2001 | 5°C 1999 | 17% |
| Apr 19 | 25°C | 12°C | 36°C 2007 | 6°C 1999 | 16% |
| Apr 20 | 25°C | 12°C | 31°C 2018 | 7°C 1995 | 15% |
| Apr 21 | 25°C | 12°C | 31°C 2018 | 6°C 1995 | 14% |
| Apr 22 | 25°C | 12°C | 33°C 2018 | 8°C 1993 | 14% |
| Apr 23 | 25°C | 12°C | 33°C 1997 | 7°C 2004 | 13% |
| Apr 24 | 25°C | 12°C | 32°C 2020 | 5°C 2001 | 12% |
| Apr 25 | 25°C | 12°C | 33°C 1994 | 4°C 2005 | 12% |
| Apr 26 | 24°C | 12°C | 36°C 1994 | 1°C 2005 | 12% |
| Apr 27 | 24°C | 12°C | 33°C 2018 | 2°C 2016 | 12% |
| Apr 28 | 24°C | 11°C | 31°C 2006 | 4°C 2016 | 12% |
| Apr 29 | 24°C | 11°C | 31°C 1997 | 4°C 2001 | 12% |
| Apr 30 | 24°C | 11°C | 32°C 1997 | 4°C 2011 | 12% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- April 1
- sunrise 7:33 AM, sunset 7:20 PM
- April 30
- sunrise 7:49 AM, sunset 6:51 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.