Macapá Weather in December

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

Average highs run from 34°C on December 1 to 31°C on December 31, and lows from 24°C to 24°C. Normal precipitation for the month is 130 mm over about 19 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: 32°C
Average low: 24°C
Precipitation: 130 mm
Reanalysis high: 36°CDec 10, 2017
Reanalysis low: 22°CDec 1, 1994
Daylight: 12 h 07 min to 12 h 07 min
Cloud cover: 63%
Humidity: 76%
Dew point: 23°C
Wind: 5.4 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	34°C	24°C	36°C 2016	22°C 1994	43%
Dec 2	34°C	24°C	36°C 2014	22°C 1994	43%
Dec 3	34°C	24°C	36°C 2016	23°C 1994	44%
Dec 4	33°C	24°C	36°C 2012	23°C 1994	46%
Dec 5	33°C	24°C	36°C 2017	22°C 1994	48%
Dec 6	33°C	24°C	36°C 2016	22°C 1996	48%
Dec 7	33°C	24°C	36°C 2004	22°C 2018	50%
Dec 8	33°C	24°C	36°C 2016	23°C 1995	51%
Dec 9	33°C	24°C	36°C 2017	22°C 2009	53%
Dec 10	33°C	24°C	36°C 2017	23°C 1996	54%
Dec 11	33°C	24°C	36°C 2004	23°C 1994	55%
Dec 12	33°C	24°C	36°C 2016	23°C 1995	57%
Dec 13	33°C	24°C	36°C 2015	22°C 1994	59%
Dec 14	33°C	24°C	36°C 2015	22°C 1994	61%
Dec 15	33°C	24°C	36°C 2015	23°C 2000	62%
Dec 16	32°C	24°C	36°C 2015	22°C 2017	64%
Dec 17	32°C	24°C	35°C 2011	23°C 2017	66%
Dec 18	32°C	24°C	35°C 2011	23°C 1997	68%
Dec 19	32°C	24°C	35°C 2012	22°C 2000	69%
Dec 20	32°C	24°C	35°C 2001	23°C 2016	71%
Dec 21	32°C	24°C	35°C 2004	23°C 2013	73%
Dec 22	32°C	24°C	35°C 2004	23°C 2020	74%
Dec 23	32°C	24°C	36°C 2015	23°C 1994	75%
Dec 24	32°C	24°C	35°C 2011	23°C 1992	76%
Dec 25	32°C	24°C	35°C 2015	23°C 1999	77%
Dec 26	31°C	24°C	35°C 2014	23°C 2017	78%
Dec 27	31°C	24°C	34°C 2014	23°C 1995	77%
Dec 28	31°C	24°C	35°C 2014	23°C 1994	78%
Dec 29	31°C	24°C	35°C 2014	23°C 2018	78%
Dec 30	31°C	24°C	35°C 2014	22°C 2007	79%
Dec 31	31°C	24°C	35°C 2011	23°C 2007	80%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:10 AM, sunset 6:17 PM
December 31: sunrise 6:24 AM, sunset 6:31 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.