San Martín Weather in October
Average highs run from 27°C on October 1 to 28°C on October 31, and lows from 20°C to 19°C. Normal precipitation for the month is 146 mm over about 19 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
- 20°C
- Precipitation
- 146 mm
- Record high
- 36°COct 3, 2021
- Record low
- 13°COct 14, 1994
- Daylight
- 12 h 00 min to 11 h 38 min
- Cloud cover
- 71%
- Humidity
- 84%
- Dew point
- 20°C
- Wind
- 7.6 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 | 20°C | 32°C 2016 | 18°C 1957 | 78% |
| Oct 2 | 27°C | 20°C | 32°C 2009 | 17°C 1994 | 78% |
| Oct 3 | 27°C | 20°C | 36°C 2021 | 18°C 1957 | 77% |
| Oct 4 | 28°C | 20°C | 31°C 2001 | 16°C 1984 | 75% |
| Oct 5 | 28°C | 20°C | 32°C 2019 | 18°C 1958 | 73% |
| Oct 6 | 28°C | 20°C | 36°C 1987 | 18°C 1957 | 72% |
| Oct 7 | 28°C | 20°C | 32°C 2014 | 18°C 1982 | 71% |
| Oct 8 | 28°C | 20°C | 33°C 2011 | 17°C 1993 | 70% |
| Oct 9 | 28°C | 20°C | 32°C 2009 | 15°C 1984 | 69% |
| Oct 10 | 28°C | 20°C | 33°C 2013 | 17°C 1957 | 69% |
| Oct 11 | 28°C | 20°C | 36°C 2009 | 16°C 1994 | 70% |
| Oct 12 | 28°C | 20°C | 31°C 2016 | 15°C 1957 | 70% |
| Oct 13 | 28°C | 20°C | 32°C 1964 | 16°C 1957 | 69% |
| Oct 14 | 28°C | 20°C | 32°C 2010 | 13°C 1994 | 68% |
| Oct 15 | 28°C | 20°C | 32°C 1957 | 17°C 1987 | 67% |
| Oct 16 | 28°C | 20°C | 32°C 1958 | 17°C 1984 | 66% |
| Oct 17 | 28°C | 20°C | 32°C 2009 | 17°C 1985 | 64% |
| Oct 18 | 28°C | 20°C | 32°C 2017 | 18°C 1987 | 63% |
| Oct 19 | 28°C | 20°C | 34°C 1988 | 17°C 1957 | 61% |
| Oct 20 | 28°C | 19°C | 31°C 1987 | 16°C 1993 | 59% |
| Oct 21 | 28°C | 19°C | 33°C 2009 | 17°C 1963 | 58% |
| Oct 22 | 28°C | 19°C | 32°C 2009 | 18°C 1961 | 55% |
| Oct 23 | 28°C | 19°C | 32°C 1957 | 16°C 1961 | 53% |
| Oct 24 | 28°C | 19°C | 33°C 2010 | 16°C 2011 | 51% |
| Oct 25 | 28°C | 19°C | 32°C 2009 | 17°C 1999 | 49% |
| Oct 26 | 28°C | 19°C | 32°C 2009 | 15°C 1965 | 46% |
| Oct 27 | 28°C | 19°C | 32°C 2011 | 16°C 1999 | 45% |
| Oct 28 | 28°C | 19°C | 32°C 2011 | 15°C 2014 | 44% |
| Oct 29 | 28°C | 19°C | 33°C 2011 | 16°C 1957 | 42% |
| Oct 30 | 28°C | 19°C | 32°C 2009 | 14°C 1957 | 40% |
| Oct 31 | 28°C | 19°C | 32°C 1994 | 16°C 1957 | 39% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- October 1
- sunrise 5:45 AM, sunset 5:45 PM
- October 31
- sunrise 5:50 AM, sunset 5:28 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ES003800510, 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.