Janaúba Weather in December

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

Average highs run from 30°C on December 1 to 31°C on December 31, and lows from 20°C to 20°C. Normal precipitation for the month is 183 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: 30°C
Average low: 20°C
Precipitation: 183 mm
Reanalysis high: 40°CDec 3, 2002
Reanalysis low: 16°CDec 31, 1992
Daylight: 13 h 00 min to 13 h 03 min
Cloud cover: 68%
Humidity: 73%
Dew point: 19°C
Wind: 10.4 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	30°C	20°C	39°C 2002	17°C 1996	67%
Dec 2	30°C	20°C	40°C 2002	18°C 1995	66%
Dec 3	30°C	20°C	40°C 2002	18°C 1999	66%
Dec 4	30°C	20°C	39°C 2002	17°C 2005	66%
Dec 5	30°C	20°C	39°C 2002	18°C 1992	67%
Dec 6	30°C	20°C	39°C 2002	17°C 1992	67%
Dec 7	30°C	20°C	37°C 1993	19°C 1992	68%
Dec 8	30°C	20°C	36°C 1993	19°C 2000	67%
Dec 9	30°C	20°C	36°C 1993	18°C 2018	67%
Dec 10	30°C	20°C	36°C 2015	17°C 1994	66%
Dec 11	30°C	20°C	37°C 2015	17°C 1994	66%
Dec 12	30°C	20°C	39°C 2015	18°C 1998	66%
Dec 13	30°C	20°C	38°C 2019	18°C 2020	65%
Dec 14	30°C	20°C	38°C 2015	17°C 2020	64%
Dec 15	30°C	20°C	38°C 2015	17°C 1992	62%
Dec 16	30°C	20°C	38°C 2015	18°C 2018	61%
Dec 17	30°C	20°C	39°C 2003	18°C 2016	59%
Dec 18	30°C	20°C	39°C 2019	17°C 2018	58%
Dec 19	31°C	20°C	39°C 2019	18°C 2016	57%
Dec 20	31°C	20°C	39°C 2019	18°C 2017	56%
Dec 21	31°C	20°C	39°C 2019	17°C 2017	57%
Dec 22	31°C	20°C	40°C 2019	17°C 2005	56%
Dec 23	31°C	20°C	39°C 2019	17°C 2005	55%
Dec 24	31°C	20°C	38°C 2015	17°C 2006	54%
Dec 25	31°C	20°C	38°C 2012	17°C 1991	55%
Dec 26	31°C	20°C	39°C 2012	18°C 2000	55%
Dec 27	31°C	20°C	39°C 2012	17°C 1998	55%
Dec 28	31°C	20°C	37°C 2017	18°C 1999	55%
Dec 29	31°C	20°C	38°C 2016	18°C 2005	54%
Dec 30	31°C	20°C	37°C 2014	18°C 1992	55%
Dec 31	31°C	20°C	38°C 2015	16°C 1992	55%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:12 AM, sunset 6:12 PM
December 31: sunrise 5:25 AM, sunset 6:28 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.