Juan José Castelli Weather in January
Average highs run from 36°C on January 1 to 35°C on January 31, and lows from 23°C to 23°C. Normal precipitation for the month is 143 mm over about 12 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 36°C
- Average low
- 23°C
- Precipitation
- 143 mm
- Reanalysis high
- 44°CJan 6, 1998
- Reanalysis low
- 12°CJan 16, 1992
- Daylight
- 13 h 44 min to 13 h 18 min
- Cloud cover
- 62%
- Humidity
- 60%
- Dew point
- 19°C
- Wind
- 13.0 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 |
|---|---|---|---|---|---|
| Jan 1 | 36°C | 23°C | 40°C 2002 | 16°C 2004 | 41% |
| Jan 2 | 36°C | 23°C | 42°C 1996 | 14°C 2013 | 42% |
| Jan 3 | 36°C | 23°C | 41°C 1996 | 16°C 2013 | 42% |
| Jan 4 | 36°C | 23°C | 41°C 1995 | 17°C 2014 | 41% |
| Jan 5 | 36°C | 23°C | 43°C 1998 | 17°C 2009 | 40% |
| Jan 6 | 36°C | 23°C | 44°C 1998 | 18°C 2009 | 39% |
| Jan 7 | 36°C | 23°C | 42°C 1995 | 18°C 2002 | 38% |
| Jan 8 | 36°C | 23°C | 43°C 1995 | 17°C 1998 | 36% |
| Jan 9 | 36°C | 23°C | 42°C 2012 | 16°C 1993 | 35% |
| Jan 10 | 36°C | 23°C | 42°C 2015 | 15°C 1994 | 35% |
| Jan 11 | 36°C | 23°C | 42°C 2000 | 16°C 2001 | 35% |
| Jan 12 | 36°C | 23°C | 42°C 2000 | 13°C 2001 | 35% |
| Jan 13 | 36°C | 23°C | 43°C 2000 | 16°C 2001 | 36% |
| Jan 14 | 36°C | 23°C | 41°C 1998 | 17°C 2010 | 36% |
| Jan 15 | 36°C | 23°C | 43°C 1994 | 16°C 1992 | 36% |
| Jan 16 | 35°C | 23°C | 42°C 2006 | 12°C 1992 | 37% |
| Jan 17 | 35°C | 23°C | 42°C 1998 | 14°C 1992 | 38% |
| Jan 18 | 35°C | 23°C | 40°C 2008 | 15°C 1992 | 38% |
| Jan 19 | 35°C | 23°C | 41°C 1998 | 17°C 2009 | 38% |
| Jan 20 | 35°C | 23°C | 43°C 1998 | 14°C 2009 | 39% |
| Jan 21 | 35°C | 23°C | 44°C 1998 | 17°C 2009 | 41% |
| Jan 22 | 35°C | 23°C | 42°C 2016 | 18°C 2010 | 42% |
| Jan 23 | 35°C | 23°C | 41°C 2016 | 18°C 2003 | 42% |
| Jan 24 | 35°C | 23°C | 42°C 2016 | 15°C 2003 | 42% |
| Jan 25 | 35°C | 23°C | 42°C 1996 | 17°C 2003 | 43% |
| Jan 26 | 35°C | 23°C | 41°C 1997 | 17°C 2005 | 42% |
| Jan 27 | 35°C | 23°C | 43°C 1998 | 16°C 2017 | 42% |
| Jan 28 | 35°C | 23°C | 40°C 2004 | 17°C 2017 | 42% |
| Jan 29 | 35°C | 23°C | 42°C 2010 | 18°C 2017 | 42% |
| Jan 30 | 35°C | 23°C | 43°C 2004 | 16°C 1991 | 42% |
| Jan 31 | 35°C | 23°C | 43°C 2004 | 17°C 1991 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- January 1
- sunrise 6:14 AM, sunset 7:58 PM
- January 31
- sunrise 6:37 AM, sunset 7:55 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.