São Geraldo do Araguaia Weather in December

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

Average highs run from 32°C on December 1 to 30°C on December 31, and lows from 24°C to 23°C. Normal precipitation for the month is 173 mm over about 24 wet days.

December day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

December at a glance

Average high: 31°C
Average low: 23°C
Precipitation: 173 mm
Reanalysis high: 42°CDec 1, 2015
Reanalysis low: 21°CDec 23, 2009
Daylight: 12 h 28 min to 12 h 29 min
Cloud cover: 80%
Humidity: 78%
Dew point: 23°C
Wind: 7.9 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
Dec 1	32°C	24°C	42°C 2015	21°C 1994	69%
Dec 2	32°C	24°C	40°C 2015	21°C 1992	69%
Dec 3	32°C	24°C	38°C 2019	21°C 2009	69%
Dec 4	32°C	24°C	37°C 2002	21°C 2012	69%
Dec 5	32°C	24°C	38°C 2002	22°C 2018	69%
Dec 6	32°C	24°C	37°C 2002	21°C 1999	70%
Dec 7	32°C	24°C	38°C 2015	22°C 2018	71%
Dec 8	32°C	24°C	38°C 2015	22°C 1993	71%
Dec 9	32°C	24°C	40°C 2015	22°C 1999	72%
Dec 10	32°C	24°C	40°C 2015	21°C 1995	74%
Dec 11	32°C	23°C	39°C 2015	22°C 1995	76%
Dec 12	32°C	23°C	39°C 2015	22°C 2000	77%
Dec 13	32°C	23°C	40°C 2015	22°C 2000	78%
Dec 14	32°C	23°C	39°C 2015	22°C 2006	77%
Dec 15	31°C	23°C	37°C 2019	22°C 1993	79%
Dec 16	31°C	23°C	37°C 2019	22°C 1992	80%
Dec 17	31°C	23°C	37°C 2019	21°C 1992	81%
Dec 18	31°C	23°C	37°C 2019	21°C 2010	82%
Dec 19	31°C	23°C	37°C 2019	21°C 1991	81%
Dec 20	31°C	23°C	37°C 2019	21°C 2016	81%
Dec 21	31°C	23°C	37°C 2019	21°C 2002	82%
Dec 22	31°C	23°C	36°C 2019	22°C 1991	81%
Dec 23	31°C	23°C	36°C 2019	21°C 2009	80%
Dec 24	31°C	23°C	38°C 2019	21°C 1999	80%
Dec 25	31°C	23°C	34°C 1991	21°C 1999	81%
Dec 26	30°C	23°C	34°C 2006	21°C 1999	81%
Dec 27	30°C	23°C	33°C 2019	21°C 1995	82%
Dec 28	30°C	23°C	34°C 2015	22°C 2014	82%
Dec 29	30°C	23°C	36°C 2015	22°C 1991	83%
Dec 30	30°C	23°C	35°C 2015	21°C 2005	83%
Dec 31	30°C	23°C	35°C 2015	22°C 1992	83%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:49 AM, sunset 6:17 PM
December 31: sunrise 6:03 AM, sunset 6:32 PM

Every day of December: 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.