Santa Maria do Salto Weather in December

NASA POWER reanalysis for the half-degree grid cell around Santa Maria do Salto, 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 33°C on December 31, and lows from 21°C to 21°C. Normal precipitation for the month is 119 mm over about 16 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: 33°C
Average low: 21°C
Precipitation: 119 mm
Reanalysis high: 40°CDec 3, 2015
Reanalysis low: 16°CDec 13, 2007
Daylight: 13 h 01 min to 13 h 05 min
Cloud cover: 65%
Humidity: 75%
Dew point: 20°C
Wind: 6.5 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	21°C	39°C 2019	18°C 2013	59%
Dec 2	32°C	21°C	38°C 2015	19°C 2002	58%
Dec 3	32°C	21°C	40°C 2015	18°C 2014	58%
Dec 4	32°C	21°C	38°C 2017	18°C 2005	58%
Dec 5	32°C	21°C	38°C 2015	17°C 2005	58%
Dec 6	32°C	21°C	38°C 2002	17°C 1992	57%
Dec 7	32°C	21°C	40°C 2015	18°C 1992	56%
Dec 8	32°C	21°C	39°C 2015	18°C 2009	55%
Dec 9	33°C	21°C	38°C 2003	19°C 1999	55%
Dec 10	33°C	21°C	39°C 2015	18°C 1999	55%
Dec 11	33°C	21°C	39°C 2015	18°C 2007	54%
Dec 12	33°C	21°C	38°C 2015	18°C 2019	54%
Dec 13	33°C	21°C	39°C 2009	16°C 2007	53%
Dec 14	33°C	21°C	37°C 1996	18°C 1992	52%
Dec 15	33°C	21°C	37°C 2003	19°C 2011	51%
Dec 16	33°C	21°C	38°C 2015	18°C 1991	49%
Dec 17	33°C	21°C	38°C 1993	18°C 1996	49%
Dec 18	33°C	21°C	40°C 1994	18°C 2011	48%
Dec 19	33°C	21°C	37°C 2012	18°C 2008	48%
Dec 20	33°C	21°C	37°C 2015	18°C 1991	47%
Dec 21	33°C	21°C	37°C 2002	17°C 1991	46%
Dec 22	33°C	21°C	38°C 2003	18°C 2005	46%
Dec 23	33°C	21°C	37°C 2010	18°C 1992	46%
Dec 24	33°C	21°C	38°C 2010	18°C 1998	45%
Dec 25	33°C	21°C	38°C 2015	18°C 2007	44%
Dec 26	33°C	21°C	37°C 2012	18°C 2007	44%
Dec 27	33°C	21°C	38°C 2004	18°C 1998	44%
Dec 28	33°C	21°C	37°C 2004	19°C 1999	44%
Dec 29	33°C	21°C	37°C 1993	19°C 2008	45%
Dec 30	33°C	21°C	38°C 2014	19°C 2016	45%
Dec 31	33°C	21°C	38°C 1993	18°C 2007	46%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 4:59 AM, sunset 6:00 PM
December 31: sunrise 5:11 AM, sunset 6:16 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 2026-09-29. Sun and moon: computed with the NOAA solar equations and Meeus.