Río Segundo Weather in January

NASA POWER reanalysis for the half-degree grid cell around Río Segundo, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 33°C on January 1 to 32°C on January 31, and lows from 18°C to 18°C. Normal precipitation for the month is 127 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: 33°C
Average low: 18°C
Precipitation: 127 mm
Reanalysis high: 41°CJan 9, 2012
Reanalysis low: 9°CJan 11, 2001
Daylight: 14 h 10 min to 13 h 36 min
Cloud cover: 53%
Humidity: 63%
Dew point: 16°C
Wind: 7.2 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	33°C	18°C	38°C 2008	12°C 2015	47%
Jan 2	33°C	18°C	40°C 1999	10°C 2015	48%
Jan 3	33°C	18°C	41°C 2017	11°C 2015	49%
Jan 4	33°C	18°C	39°C 2018	12°C 2014	49%
Jan 5	33°C	18°C	37°C 2006	12°C 1999	48%
Jan 6	33°C	18°C	40°C 2006	12°C 2002	47%
Jan 7	33°C	18°C	40°C 2014	11°C 1998	46%
Jan 8	33°C	18°C	39°C 2006	12°C 1998	48%
Jan 9	33°C	18°C	41°C 2012	12°C 1994	46%
Jan 10	33°C	18°C	37°C 2018	10°C 1994	45%
Jan 11	32°C	18°C	37°C 2018	9°C 2001	44%
Jan 12	32°C	18°C	37°C 2002	10°C 2001	43%
Jan 13	32°C	18°C	37°C 2011	12°C 2010	42%
Jan 14	32°C	18°C	38°C 1994	13°C 2002	41%
Jan 15	32°C	18°C	38°C 2014	12°C 2002	40%
Jan 16	32°C	18°C	38°C 2014	10°C 1992	39%
Jan 17	32°C	18°C	40°C 2009	10°C 1991	39%
Jan 18	32°C	18°C	37°C 2007	11°C 2019	39%
Jan 19	32°C	18°C	38°C 2016	11°C 2009	39%
Jan 20	32°C	18°C	39°C 2020	13°C 2009	38%
Jan 21	33°C	18°C	39°C 2016	13°C 2005	38%
Jan 22	33°C	18°C	41°C 2014	14°C 1998	38%
Jan 23	33°C	18°C	40°C 2016	11°C 1998	38%
Jan 24	33°C	18°C	40°C 2013	13°C 2003	39%
Jan 25	33°C	18°C	40°C 2020	11°C 2014	39%
Jan 26	33°C	18°C	37°C 2010	12°C 2005	40%
Jan 27	33°C	18°C	39°C 2010	13°C 2005	40%
Jan 28	32°C	18°C	39°C 2010	14°C 1995	42%
Jan 29	32°C	18°C	40°C 2010	12°C 1991	43%
Jan 30	32°C	18°C	40°C 2003	14°C 1998	42%
Jan 31	32°C	18°C	41°C 2003	11°C 2005	44%

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 8:24 PM
January 31: sunrise 6:41 AM, sunset 8:17 PM

Every day of January: sun and moon

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.