Gualeguaychú Weather in October
Average highs run from 22°C on October 1 to 26°C on October 31, and lows from 9°C to 13°C. Normal precipitation for the month is 127 mm over about 9 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
- 24°C
- Average low
- 11°C
- Precipitation
- 127 mm
- Record high
- 37°COct 28, 2014
- Record low
- -2°COct 22, 1975
- Daylight
- 12 h 26 min to 13 h 24 min
- Cloud cover
- 53%
- Humidity
- 73%
- Dew point
- 12°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 | 22°C | 9°C | 35°C 2024 | 2°C 2023 | 29% |
| Oct 2 | 22°C | 10°C | 31°C 1990 | 3°C 1999 | 31% |
| Oct 3 | 23°C | 10°C | 28°C 1981 | 1°C 1999 | 31% |
| Oct 4 | 23°C | 10°C | 30°C 1990 | -1°C 1999 | 32% |
| Oct 5 | 23°C | 10°C | 29°C 2006 | 3°C 1988 | 34% |
| Oct 6 | 23°C | 10°C | 28°C 2012 | 3°C 2020 | 34% |
| Oct 7 | 23°C | 10°C | 30°C 2002 | 1°C 1981 | 35% |
| Oct 8 | 23°C | 11°C | 33°C 1983 | 4°C 1991 | 35% |
| Oct 9 | 23°C | 11°C | 31°C 1983 | 1°C 2022 | 35% |
| Oct 10 | 24°C | 11°C | 28°C 2013 | 4°C 2022 | 34% |
| Oct 11 | 24°C | 11°C | 32°C 1987 | 2°C 2003 | 32% |
| Oct 12 | 24°C | 11°C | 36°C 1993 | 3°C 2023 | 31% |
| Oct 13 | 24°C | 11°C | 32°C 1991 | 2°C 2021 | 31% |
| Oct 14 | 24°C | 11°C | 34°C 2002 | 4°C 2004 | 31% |
| Oct 15 | 25°C | 11°C | 31°C 1992 | 5°C 2009 | 32% |
| Oct 16 | 25°C | 12°C | 30°C 1992 | 3°C 1988 | 32% |
| Oct 17 | 25°C | 12°C | 36°C 1993 | 5°C 1981 | 31% |
| Oct 18 | 25°C | 12°C | 32°C 2003 | 4°C 2010 | 33% |
| Oct 19 | 25°C | 12°C | 36°C 2020 | 5°C 1988 | 33% |
| Oct 20 | 25°C | 12°C | 30°C 2000 | 3°C 1979 | 32% |
| Oct 21 | 25°C | 12°C | 31°C 1982 | 6°C 1974 | 33% |
| Oct 22 | 25°C | 12°C | 34°C 2024 | -2°C 1975 | 34% |
| Oct 23 | 25°C | 12°C | 34°C 2024 | 6°C 2022 | 33% |
| Oct 24 | 26°C | 12°C | 33°C 2009 | 7°C 1983 | 32% |
| Oct 25 | 26°C | 12°C | 35°C 2006 | 7°C 2013 | 33% |
| Oct 26 | 26°C | 12°C | 34°C 2001 | 4°C 1988 | 34% |
| Oct 27 | 26°C | 12°C | 36°C 2021 | 4°C 2004 | 33% |
| Oct 28 | 26°C | 12°C | 37°C 2014 | 6°C 1995 | 33% |
| Oct 29 | 26°C | 12°C | 37°C 2014 | 4°C 1974 | 33% |
| Oct 30 | 26°C | 12°C | 37°C 2009 | 6°C 2005 | 33% |
| Oct 31 | 26°C | 13°C | 35°C 2009 | 6°C 2005 | 32% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- October 1
- sunrise 6:31 AM, sunset 6:57 PM
- October 31
- sunrise 5:56 AM, sunset 7:20 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ARM00087497, 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.