Conceição da Barra Weather in December

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

Average highs run from 26°C on December 1 to 27°C on December 31, and lows from 25°C to 26°C. Normal precipitation for the month is 155 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: 27°C
Average low: 25°C
Precipitation: 155 mm
Reanalysis high: 29°CDec 26, 2009
Reanalysis low: 23°CDec 14, 1992
Daylight: 13 h 10 min to 13 h 14 min
Cloud cover: 61%
Humidity: 83%
Dew point: 23°C
Wind: 22.3 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	26°C	25°C	29°C 2000	24°C 1999	67%
Dec 2	26°C	25°C	28°C 2003	24°C 1999	66%
Dec 3	26°C	25°C	28°C 1997	23°C 1991	64%
Dec 4	26°C	25°C	28°C 2015	23°C 1991	64%
Dec 5	26°C	25°C	28°C 2015	23°C 2005	63%
Dec 6	26°C	25°C	29°C 2016	24°C 1992	63%
Dec 7	26°C	25°C	29°C 2015	24°C 2005	62%
Dec 8	26°C	25°C	28°C 2015	23°C 2005	60%
Dec 9	26°C	25°C	28°C 2003	24°C 1992	58%
Dec 10	27°C	25°C	28°C 2015	24°C 1992	57%
Dec 11	27°C	25°C	28°C 2015	24°C 1996	56%
Dec 12	27°C	25°C	28°C 1991	24°C 1992	55%
Dec 13	27°C	25°C	28°C 2009	23°C 1992	54%
Dec 14	27°C	25°C	28°C 2016	23°C 1992	52%
Dec 15	27°C	25°C	28°C 1998	24°C 1992	52%
Dec 16	27°C	25°C	27°C 1994	23°C 2014	50%
Dec 17	27°C	26°C	28°C 1999	24°C 1992	50%
Dec 18	27°C	26°C	28°C 1994	24°C 1992	51%
Dec 19	27°C	26°C	28°C 1998	25°C 1992	51%
Dec 20	27°C	26°C	28°C 2014	24°C 1994	50%
Dec 21	27°C	26°C	28°C 2005	25°C 1993	50%
Dec 22	27°C	26°C	28°C 2012	24°C 1993	50%
Dec 23	27°C	26°C	28°C 2003	24°C 1992	50%
Dec 24	27°C	26°C	28°C 2009	25°C 1992	50%
Dec 25	27°C	26°C	28°C 2012	24°C 1992	50%
Dec 26	27°C	26°C	29°C 2009	25°C 1992	50%
Dec 27	27°C	26°C	28°C 2009	24°C 1992	49%
Dec 28	27°C	26°C	28°C 2016	24°C 1992	50%
Dec 29	27°C	26°C	28°C 2016	25°C 1991	50%
Dec 30	27°C	26°C	28°C 2009	25°C 2001	48%
Dec 31	27°C	26°C	28°C 2009	25°C 2001	48%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 4:53 AM, sunset 6:03 PM
December 31: sunrise 5:05 AM, sunset 6:19 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.