Chaves Weather in December

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

Average highs run from 32°C on December 1 to 30°C on December 31, and lows from 26°C to 25°C. Normal precipitation for the month is 124 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: 31°C
Average low: 26°C
Precipitation: 124 mm
Reanalysis high: 33°CDec 7, 2004
Reanalysis low: 23°CDec 30, 2005
Daylight: 12 h 08 min to 12 h 08 min
Cloud cover: 70%
Humidity: 78%
Dew point: 23°C
Wind: 10.1 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	32°C	26°C	33°C 2015	24°C 1995	37%
Dec 2	32°C	26°C	33°C 2016	24°C 1992	37%
Dec 3	32°C	26°C	33°C 2014	25°C 2018	38%
Dec 4	32°C	26°C	33°C 2017	24°C 2018	40%
Dec 5	31°C	26°C	33°C 2017	24°C 2018	42%
Dec 6	31°C	26°C	33°C 1998	24°C 2018	43%
Dec 7	31°C	26°C	33°C 2004	24°C 2018	46%
Dec 8	31°C	26°C	33°C 2004	24°C 2018	47%
Dec 9	31°C	26°C	33°C 1999	25°C 2007	49%
Dec 10	31°C	26°C	33°C 2004	25°C 2002	51%
Dec 11	31°C	26°C	33°C 2017	24°C 2002	52%
Dec 12	31°C	26°C	33°C 2016	25°C 2018	54%
Dec 13	31°C	26°C	33°C 2004	25°C 1994	56%
Dec 14	31°C	26°C	33°C 2012	24°C 1994	58%
Dec 15	31°C	26°C	33°C 2015	24°C 1994	60%
Dec 16	31°C	26°C	33°C 2013	24°C 2000	61%
Dec 17	31°C	26°C	32°C 1991	24°C 2000	63%
Dec 18	31°C	26°C	33°C 2004	24°C 2000	66%
Dec 19	31°C	25°C	32°C 1999	24°C 2000	68%
Dec 20	30°C	25°C	32°C 2001	24°C 2016	70%
Dec 21	30°C	25°C	32°C 2004	24°C 1998	72%
Dec 22	30°C	25°C	32°C 2001	24°C 2020	72%
Dec 23	30°C	25°C	33°C 2001	24°C 1999	73%
Dec 24	30°C	25°C	32°C 2001	24°C 1999	74%
Dec 25	30°C	25°C	33°C 2001	24°C 1999	76%
Dec 26	30°C	25°C	32°C 2001	24°C 2008	77%
Dec 27	30°C	25°C	32°C 2014	24°C 1994	78%
Dec 28	30°C	25°C	32°C 2014	24°C 1994	79%
Dec 29	30°C	25°C	32°C 2014	24°C 2005	80%
Dec 30	30°C	25°C	33°C 2014	23°C 2005	81%
Dec 31	30°C	25°C	32°C 2011	24°C 2005	82%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:05 AM, sunset 6:13 PM
December 31: sunrise 6:19 AM, sunset 6:27 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.