Piatã Weather in December

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

Average highs run from 28°C on December 1 to 29°C on December 31, and lows from 17°C to 17°C. Normal precipitation for the month is 102 mm over about 12 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: 29°C
Average low: 17°C
Precipitation: 102 mm
Reanalysis high: 35°CDec 3, 2015
Reanalysis low: 13°CDec 19, 1995
Daylight: 12 h 51 min to 12 h 54 min
Cloud cover: 66%
Humidity: 70%
Dew point: 16°C
Wind: 14.4 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	28°C	17°C	33°C 2019	14°C 2014	52%
Dec 2	28°C	17°C	35°C 2002	15°C 2007	51%
Dec 3	28°C	17°C	35°C 2015	14°C 2006	51%
Dec 4	28°C	17°C	34°C 2015	15°C 2002	51%
Dec 5	28°C	17°C	34°C 2002	15°C 1993	51%
Dec 6	28°C	17°C	35°C 2019	14°C 1992	51%
Dec 7	28°C	17°C	34°C 2003	15°C 2011	50%
Dec 8	28°C	17°C	34°C 2015	15°C 2001	50%
Dec 9	28°C	17°C	35°C 2003	15°C 1999	50%
Dec 10	28°C	17°C	34°C 2003	15°C 1994	50%
Dec 11	28°C	17°C	35°C 2015	15°C 2015	49%
Dec 12	28°C	17°C	34°C 2015	14°C 2001	50%
Dec 13	28°C	17°C	34°C 2003	13°C 2007	49%
Dec 14	29°C	17°C	33°C 2019	15°C 2018	48%
Dec 15	29°C	17°C	33°C 2003	15°C 2020	46%
Dec 16	29°C	17°C	34°C 2003	15°C 2004	44%
Dec 17	29°C	17°C	34°C 2003	15°C 2018	43%
Dec 18	29°C	17°C	34°C 2019	15°C 1995	42%
Dec 19	29°C	17°C	34°C 2012	13°C 1995	41%
Dec 20	29°C	17°C	34°C 2015	14°C 1995	40%
Dec 21	29°C	17°C	35°C 2003	14°C 2018	39%
Dec 22	29°C	17°C	34°C 2002	16°C 1991	39%
Dec 23	29°C	17°C	34°C 2019	15°C 2007	39%
Dec 24	29°C	17°C	34°C 1997	15°C 1991	39%
Dec 25	29°C	17°C	33°C 2016	15°C 2007	38%
Dec 26	29°C	17°C	33°C 2012	14°C 2000	37%
Dec 27	29°C	17°C	35°C 2012	15°C 2014	37%
Dec 28	29°C	17°C	34°C 2017	14°C 2007	38%
Dec 29	29°C	17°C	34°C 2017	15°C 2014	39%
Dec 30	29°C	17°C	34°C 2017	15°C 2020	40%
Dec 31	29°C	17°C	35°C 1993	15°C 1992	42%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:11 AM, sunset 6:02 PM
December 31: sunrise 5:23 AM, sunset 6:17 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.