Presidente Sarney Weather in December

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

Average highs run from 37°C on December 1 to 35°C on December 31, and lows from 24°C to 24°C. Normal precipitation for the month is 65 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: 36°C
Average low: 24°C
Precipitation: 65 mm
Reanalysis high: 40°CDec 3, 1997
Reanalysis low: 21°CDec 23, 1998
Daylight: 12 h 15 min to 12 h 17 min
Cloud cover: 67%
Humidity: 67%
Dew point: 21°C
Wind: 6.8 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	37°C	24°C	40°C 2015	23°C 2006	23%
Dec 2	37°C	24°C	39°C 2015	22°C 2010	24%
Dec 3	37°C	24°C	40°C 1997	23°C 2006	24%
Dec 4	37°C	24°C	39°C 1997	22°C 2011	25%
Dec 5	37°C	24°C	40°C 1997	22°C 1996	26%
Dec 6	37°C	24°C	40°C 1997	22°C 1995	26%
Dec 7	37°C	24°C	39°C 2003	22°C 1995	27%
Dec 8	36°C	24°C	39°C 2016	22°C 1995	28%
Dec 9	36°C	24°C	39°C 1997	22°C 1996	29%
Dec 10	36°C	24°C	39°C 1991	22°C 1992	30%
Dec 11	36°C	24°C	39°C 2017	23°C 2020	30%
Dec 12	36°C	24°C	39°C 1991	22°C 1991	32%
Dec 13	36°C	24°C	38°C 1991	23°C 2005	33%
Dec 14	36°C	24°C	38°C 2012	22°C 2010	35%
Dec 15	36°C	24°C	39°C 2012	23°C 1993	36%
Dec 16	36°C	24°C	38°C 1998	23°C 2000	38%
Dec 17	36°C	24°C	39°C 2013	22°C 2000	39%
Dec 18	36°C	24°C	38°C 1999	22°C 2000	41%
Dec 19	35°C	24°C	39°C 1991	22°C 2010	42%
Dec 20	35°C	24°C	38°C 1996	22°C 2016	42%
Dec 21	35°C	24°C	39°C 2014	21°C 2000	43%
Dec 22	35°C	24°C	38°C 2015	22°C 2000	44%
Dec 23	35°C	24°C	38°C 2003	21°C 1998	45%
Dec 24	35°C	24°C	38°C 2003	22°C 2004	46%
Dec 25	35°C	24°C	38°C 2001	22°C 2018	48%
Dec 26	35°C	24°C	38°C 1997	22°C 1991	50%
Dec 27	35°C	24°C	38°C 2015	21°C 2018	50%
Dec 28	35°C	24°C	37°C 1992	22°C 2005	52%
Dec 29	35°C	24°C	38°C 2011	22°C 2005	52%
Dec 30	35°C	24°C	38°C 2011	22°C 2004	54%
Dec 31	35°C	24°C	38°C 2013	23°C 1999	56%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:43 AM, sunset 5:58 PM
December 31: sunrise 5:56 AM, sunset 6:13 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.