Maracás Weather in December

NASA POWER reanalysis for the half-degree grid cell around Maracás, 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 33°C on December 31, and lows from 19°C to 19°C. Normal precipitation for the month is 87 mm over about 9 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: 33°C
Average low: 19°C
Precipitation: 87 mm
Reanalysis high: 39°CDec 18, 2012
Reanalysis low: 15°CDec 13, 2007
Daylight: 12 h 52 min to 12 h 55 min
Cloud cover: 64%
Humidity: 71%
Dew point: 18°C
Wind: 7.6 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	19°C	37°C 2019	16°C 2014	41%
Dec 2	32°C	19°C	37°C 2003	17°C 1996	40%
Dec 3	32°C	19°C	38°C 2015	17°C 1996	39%
Dec 4	32°C	19°C	38°C 2015	17°C 1994	39%
Dec 5	32°C	19°C	37°C 2002	17°C 2006	39%
Dec 6	32°C	19°C	38°C 2002	16°C 1992	38%
Dec 7	33°C	19°C	39°C 2019	17°C 1991	38%
Dec 8	33°C	19°C	38°C 2015	18°C 1999	39%
Dec 9	33°C	19°C	38°C 2003	17°C 1999	39%
Dec 10	33°C	19°C	37°C 2003	18°C 2001	39%
Dec 11	33°C	19°C	38°C 2015	17°C 2001	38%
Dec 12	33°C	19°C	38°C 2015	17°C 2007	39%
Dec 13	33°C	19°C	38°C 2015	15°C 2007	39%
Dec 14	33°C	19°C	37°C 2012	17°C 2018	38%
Dec 15	33°C	19°C	37°C 2012	18°C 1993	36%
Dec 16	33°C	19°C	38°C 2015	18°C 1996	34%
Dec 17	33°C	19°C	38°C 2012	16°C 1996	34%
Dec 18	33°C	19°C	39°C 2012	18°C 1995	33%
Dec 19	33°C	19°C	38°C 2012	16°C 1995	33%
Dec 20	33°C	19°C	37°C 2015	17°C 1995	31%
Dec 21	33°C	19°C	37°C 2012	17°C 1991	30%
Dec 22	33°C	19°C	37°C 2012	18°C 2005	30%
Dec 23	33°C	19°C	37°C 2002	17°C 2005	30%
Dec 24	33°C	19°C	37°C 2009	17°C 1992	30%
Dec 25	33°C	19°C	37°C 2012	17°C 2007	30%
Dec 26	33°C	19°C	38°C 2012	16°C 2007	30%
Dec 27	33°C	19°C	38°C 2012	16°C 2007	29%
Dec 28	33°C	19°C	38°C 2012	16°C 2007	30%
Dec 29	33°C	19°C	37°C 2012	18°C 2007	31%
Dec 30	33°C	19°C	38°C 1993	17°C 2014	32%
Dec 31	33°C	19°C	38°C 1993	17°C 1992	34%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:05 AM, sunset 5:57 PM
December 31: sunrise 5:17 AM, sunset 6:12 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.