Itaperuna Weather in December

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

Average highs run from 29°C on December 1 to 30°C on December 31, and lows from 19°C to 20°C. Normal precipitation for the month is 236 mm over about 22 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: 29°C
Average low: 20°C
Precipitation: 236 mm
Reanalysis high: 39°CDec 29, 2014
Reanalysis low: 13°CDec 4, 2005
Daylight: 13 h 20 min to 13 h 25 min
Cloud cover: 75%
Humidity: 80%
Dew point: 20°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	29°C	19°C	37°C 1993	16°C 1992	72%
Dec 2	29°C	19°C	38°C 2002	15°C 2016	72%
Dec 3	29°C	19°C	35°C 2007	15°C 2005	72%
Dec 4	29°C	19°C	34°C 2002	13°C 2005	73%
Dec 5	29°C	19°C	34°C 1994	14°C 2005	74%
Dec 6	29°C	19°C	35°C 1993	15°C 1992	75%
Dec 7	29°C	19°C	35°C 1993	16°C 2005	76%
Dec 8	29°C	19°C	37°C 2012	15°C 2018	75%
Dec 9	29°C	20°C	32°C 2001	13°C 2018	74%
Dec 10	29°C	20°C	33°C 2014	15°C 2018	74%
Dec 11	29°C	20°C	33°C 2007	16°C 1996	74%
Dec 12	29°C	20°C	34°C 2007	17°C 2011	75%
Dec 13	29°C	20°C	35°C 1994	15°C 1992	74%
Dec 14	29°C	20°C	34°C 2018	14°C 1992	73%
Dec 15	29°C	20°C	35°C 1994	14°C 1992	72%
Dec 16	29°C	20°C	35°C 2018	16°C 2014	71%
Dec 17	29°C	20°C	35°C 2018	15°C 2014	70%
Dec 18	30°C	20°C	37°C 2018	18°C 2014	71%
Dec 19	30°C	20°C	37°C 2018	18°C 2016	72%
Dec 20	30°C	20°C	37°C 2018	17°C 2008	71%
Dec 21	30°C	20°C	38°C 2018	17°C 1993	71%
Dec 22	30°C	20°C	38°C 2018	17°C 1993	70%
Dec 23	30°C	20°C	37°C 2018	16°C 1993	70%
Dec 24	30°C	20°C	35°C 2015	16°C 1992	70%
Dec 25	30°C	20°C	37°C 2012	16°C 1992	69%
Dec 26	30°C	20°C	38°C 2012	17°C 2007	68%
Dec 27	30°C	20°C	37°C 2012	15°C 2005	69%
Dec 28	30°C	20°C	38°C 2014	17°C 1992	69%
Dec 29	30°C	20°C	39°C 2014	18°C 2005	69%
Dec 30	30°C	20°C	38°C 2014	17°C 2011	68%
Dec 31	30°C	20°C	38°C 2015	16°C 1992	68%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 4:57 AM, sunset 6:17 PM
December 31: sunrise 5:08 AM, sunset 6:33 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.