Rocha Weather in December

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

Average highs run from 25°C on December 1 to 29°C on December 31, and lows from 13°C to 17°C. Normal precipitation for the month is 90 mm over about 9 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: 15°C
Precipitation: 90 mm
Reanalysis high: 39°CDec 26, 2013
Reanalysis low: 7°CDec 8, 2018
Daylight: 14 h 17 min to 14 h 25 min
Cloud cover: 52%
Humidity: 72%
Dew point: 15°C
Wind: 15.1 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	25°C	13°C	31°C 1994	9°C 2000	28%
Dec 2	25°C	13°C	32°C 1996	9°C 2005	27%
Dec 3	26°C	14°C	34°C 2012	8°C 2018	27%
Dec 4	26°C	14°C	32°C 1995	9°C 2009	27%
Dec 5	26°C	14°C	32°C 2012	8°C 2009	28%
Dec 6	26°C	14°C	35°C 1995	9°C 1993	28%
Dec 7	26°C	14°C	32°C 2008	9°C 2005	28%
Dec 8	26°C	14°C	34°C 2008	7°C 2018	27%
Dec 9	26°C	14°C	33°C 2008	8°C 2001	29%
Dec 10	26°C	14°C	34°C 1994	9°C 2005	29%
Dec 11	26°C	14°C	35°C 1994	8°C 2005	28%
Dec 12	27°C	14°C	37°C 1994	8°C 2007	28%
Dec 13	27°C	15°C	33°C 2000	9°C 2010	29%
Dec 14	27°C	15°C	34°C 2007	12°C 2016	30%
Dec 15	27°C	15°C	33°C 2017	11°C 2000	32%
Dec 16	27°C	15°C	36°C 1995	11°C 2000	34%
Dec 17	27°C	15°C	35°C 2013	8°C 2003	34%
Dec 18	27°C	15°C	39°C 1995	11°C 2005	34%
Dec 19	27°C	15°C	33°C 2004	12°C 2000	34%
Dec 20	27°C	15°C	32°C 1995	11°C 1993	33%
Dec 21	28°C	16°C	39°C 1995	10°C 1993	32%
Dec 22	28°C	16°C	35°C 2016	11°C 2020	31%
Dec 23	28°C	16°C	33°C 2006	9°C 1998	32%
Dec 24	28°C	16°C	35°C 2013	10°C 2000	32%
Dec 25	28°C	16°C	36°C 2013	11°C 2005	32%
Dec 26	28°C	16°C	39°C 2013	11°C 2011	32%
Dec 27	28°C	16°C	34°C 1999	12°C 2005	31%
Dec 28	28°C	16°C	37°C 2013	12°C 2012	32%
Dec 29	28°C	16°C	34°C 2020	12°C 2003	32%
Dec 30	29°C	16°C	38°C 2013	11°C 2008	31%
Dec 31	29°C	17°C	35°C 1994	12°C 1998	30%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:18 AM, sunset 7:35 PM
December 31: sunrise 5:28 AM, sunset 7:53 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.