San Isidro Weather in October
Average highs run from 27°C on October 1 to 29°C on October 31, and lows from 11°C to 14°C. Normal precipitation for the month is 31 mm over about 6 wet days.
October day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 28°C
- Average low
- 13°C
- Precipitation
- 31 mm
- Record high
- 42°COct 11, 1987
- Record low
- 2°COct 17, 1991
- Daylight
- 12 h 22 min to 13 h 11 min
- Cloud cover
- 52%
- Humidity
- 48%
- Dew point
- 7°C
- Wind
- 15.1 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 |
|---|---|---|---|---|---|
| Oct 1 | 27°C | 11°C | 42°C 2024 | 4°C 2009 | 8% |
| Oct 2 | 27°C | 11°C | 38°C 2006 | 5°C 2010 | 7% |
| Oct 3 | 27°C | 11°C | 37°C 1981 | 3°C 1988 | 7% |
| Oct 4 | 27°C | 12°C | 36°C 1983 | 8°C 1980 | 8% |
| Oct 5 | 27°C | 12°C | 40°C 2017 | 8°C 1998 | 8% |
| Oct 6 | 27°C | 12°C | 37°C 2017 | 8°C 2022 | 9% |
| Oct 7 | 28°C | 12°C | 37°C 1989 | 9°C 2006 | 9% |
| Oct 8 | 28°C | 12°C | 41°C 1983 | 9°C 1990 | 10% |
| Oct 9 | 28°C | 12°C | 39°C 2018 | 6°C 2011 | 10% |
| Oct 10 | 28°C | 12°C | 37°C 2006 | 8°C 2011 | 10% |
| Oct 11 | 28°C | 13°C | 42°C 1987 | 4°C 2003 | 11% |
| Oct 12 | 28°C | 13°C | 42°C 2019 | 5°C 2015 | 11% |
| Oct 13 | 28°C | 13°C | 40°C 2005 | 7°C 1996 | 12% |
| Oct 14 | 29°C | 13°C | 39°C 1983 | 11°C 2017 | 14% |
| Oct 15 | 29°C | 13°C | 37°C 1983 | 7°C 2015 | 16% |
| Oct 16 | 29°C | 13°C | 39°C 1994 | 9°C 2019 | 17% |
| Oct 17 | 29°C | 13°C | 39°C 1996 | 2°C 1991 | 17% |
| Oct 18 | 29°C | 13°C | 39°C 1979 | 11°C 2022 | 18% |
| Oct 19 | 29°C | 14°C | 38°C 2003 | 11°C 1991 | 17% |
| Oct 20 | 29°C | 14°C | 38°C 2012 | 9°C 1997 | 18% |
| Oct 21 | 29°C | 14°C | 40°C 2013 | 5°C 2002 | 18% |
| Oct 22 | 29°C | 14°C | 40°C 2000 | 9°C 1996 | 19% |
| Oct 23 | 29°C | 14°C | 41°C 1995 | 6°C 2012 | 20% |
| Oct 24 | 29°C | 14°C | 39°C 1978 | 10°C 1996 | 20% |
| Oct 25 | 29°C | 14°C | 41°C 1995 | 9°C 2010 | 22% |
| Oct 26 | 29°C | 14°C | 42°C 2007 | 9°C 2016 | 22% |
| Oct 27 | 29°C | 14°C | 40°C 2014 | 11°C 2016 | 21% |
| Oct 28 | 29°C | 14°C | 40°C 2019 | 13°C 2004 | 20% |
| Oct 29 | 29°C | 14°C | 40°C 1993 | 12°C 1989 | 20% |
| Oct 30 | 29°C | 14°C | 42°C 2022 | 8°C 2010 | 18% |
| Oct 31 | 29°C | 14°C | 40°C 2021 | 10°C 1994 | 18% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- October 1
- sunrise 7:02 AM, sunset 7:24 PM
- October 31
- sunrise 6:31 AM, sunset 7:42 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ARM00087222, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.