Tres Arroyos Weather in October
Average highs run from 19°C on October 1 to 22°C on October 31, and lows from 6°C to 8°C. Normal precipitation for the month is 84 mm over about 9 wet days.
October day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
October at a glance
- Average high
- 20°C
- Average low
- 7°C
- Precipitation
- 84 mm
- Reanalysis high
- 33°COct 29, 2009
- Reanalysis low
- -1°COct 1, 1991
- Daylight
- 12 h 30 min to 13 h 42 min
- Cloud cover
- 58%
- Humidity
- 70%
- Dew point
- 7°C
- Wind
- 17.3 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 |
|---|---|---|---|---|---|
| Oct 1 | 19°C | 6°C | 25°C 2006 | -1°C 1991 | 28% |
| Oct 2 | 19°C | 6°C | 27°C 1996 | 1°C 1991 | 29% |
| Oct 3 | 19°C | 6°C | 26°C 1996 | -1°C 1991 | 30% |
| Oct 4 | 19°C | 6°C | 27°C 2003 | 0°C 1999 | 31% |
| Oct 5 | 19°C | 6°C | 25°C 2011 | 0°C 1991 | 31% |
| Oct 6 | 19°C | 7°C | 25°C 1993 | 0°C 2005 | 31% |
| Oct 7 | 19°C | 7°C | 28°C 2018 | 1°C 1991 | 32% |
| Oct 8 | 19°C | 7°C | 26°C 2006 | 1°C 2008 | 32% |
| Oct 9 | 19°C | 7°C | 27°C 1998 | 2°C 2015 | 32% |
| Oct 10 | 20°C | 7°C | 28°C 2005 | 2°C 2015 | 31% |
| Oct 11 | 20°C | 7°C | 26°C 2005 | 0°C 2015 | 30% |
| Oct 12 | 20°C | 7°C | 27°C 2016 | 3°C 2017 | 30% |
| Oct 13 | 20°C | 7°C | 27°C 2010 | 3°C 1995 | 31% |
| Oct 14 | 20°C | 7°C | 26°C 2003 | 2°C 2009 | 31% |
| Oct 15 | 20°C | 8°C | 29°C 2003 | 2°C 2020 | 31% |
| Oct 16 | 21°C | 8°C | 27°C 2020 | 3°C 2009 | 30% |
| Oct 17 | 21°C | 8°C | 30°C 2020 | 1°C 2015 | 29% |
| Oct 18 | 21°C | 8°C | 28°C 1998 | 5°C 1995 | 29% |
| Oct 19 | 21°C | 8°C | 30°C 1999 | 4°C 1996 | 29% |
| Oct 20 | 21°C | 8°C | 29°C 2005 | 3°C 1996 | 29% |
| Oct 21 | 21°C | 8°C | 30°C 1998 | 2°C 1996 | 29% |
| Oct 22 | 21°C | 8°C | 31°C 2006 | 3°C 1994 | 29% |
| Oct 23 | 21°C | 8°C | 31°C 2006 | 3°C 2000 | 28% |
| Oct 24 | 21°C | 8°C | 30°C 1995 | 2°C 1993 | 27% |
| Oct 25 | 21°C | 8°C | 29°C 1999 | 4°C 1993 | 28% |
| Oct 26 | 21°C | 8°C | 31°C 1999 | 3°C 2009 | 28% |
| Oct 27 | 21°C | 8°C | 27°C 1996 | 2°C 1995 | 27% |
| Oct 28 | 22°C | 8°C | 30°C 2009 | 1°C 2016 | 28% |
| Oct 29 | 22°C | 8°C | 33°C 2009 | 0°C 1995 | 29% |
| Oct 30 | 22°C | 8°C | 28°C 2016 | 2°C 1992 | 28% |
| Oct 31 | 22°C | 8°C | 30°C 1995 | 3°C 2015 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- October 1
- sunrise 6:36 AM, sunset 7:06 PM
- October 31
- sunrise 5:54 AM, sunset 7:36 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.