Cotia Weather in January

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

Average highs run from 27°C on January 1 to 27°C on January 31, and lows from 18°C to 19°C. Normal precipitation for the month is 239 mm over about 25 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: 27°C
Average low: 19°C
Precipitation: 239 mm
Reanalysis high: 36°CJan 19, 2015
Reanalysis low: 11°CJan 29, 2000
Daylight: 13 h 34 min to 13 h 10 min
Cloud cover: 79%
Humidity: 84%
Dew point: 19°C
Wind: 12.2 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	27°C	18°C	32°C 2019	14°C 1991	76%
Jan 2	27°C	18°C	32°C 2019	15°C 1994	76%
Jan 3	27°C	18°C	31°C 2014	15°C 2004	77%
Jan 4	27°C	18°C	29°C 2012	15°C 2004	78%
Jan 5	27°C	18°C	29°C 2002	15°C 2009	79%
Jan 6	27°C	19°C	29°C 1998	15°C 2009	81%
Jan 7	27°C	19°C	31°C 2020	15°C 1992	82%
Jan 8	27°C	19°C	31°C 2014	15°C 1992	82%
Jan 9	27°C	19°C	32°C 2003	15°C 2008	82%
Jan 10	27°C	19°C	32°C 2015	14°C 1994	82%
Jan 11	27°C	19°C	33°C 2015	14°C 1994	81%
Jan 12	27°C	19°C	32°C 2014	14°C 2013	81%
Jan 13	27°C	19°C	32°C 2015	15°C 2005	79%
Jan 14	27°C	19°C	30°C 2006	15°C 2007	78%
Jan 15	27°C	19°C	30°C 2017	16°C 2006	79%
Jan 16	27°C	19°C	31°C 2006	14°C 2002	80%
Jan 17	27°C	18°C	34°C 2015	13°C 2002	80%
Jan 18	27°C	18°C	35°C 2015	15°C 2002	80%
Jan 19	27°C	18°C	36°C 2015	14°C 2004	81%
Jan 20	27°C	18°C	33°C 2015	16°C 2004	81%
Jan 21	27°C	18°C	32°C 2014	14°C 2000	80%
Jan 22	27°C	18°C	31°C 2018	16°C 2016	80%
Jan 23	27°C	18°C	31°C 2014	15°C 2008	80%
Jan 24	27°C	18°C	31°C 2014	16°C 2008	80%
Jan 25	27°C	19°C	31°C 2014	15°C 2020	79%
Jan 26	27°C	19°C	32°C 2014	14°C 2020	80%
Jan 27	27°C	19°C	33°C 2014	13°C 2020	81%
Jan 28	27°C	19°C	33°C 2014	13°C 2000	81%
Jan 29	27°C	19°C	34°C 2014	11°C 2000	82%
Jan 30	27°C	19°C	35°C 2014	14°C 2012	81%
Jan 31	27°C	19°C	36°C 2014	11°C 2012	80%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

January 1: sunrise 5:24 AM, sunset 6:58 PM
January 31: sunrise 5:46 AM, sunset 6:56 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.