Pelotas Weather in December

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

Average highs run from 26°C on December 1 to 29°C on December 31, and lows from 16°C to 19°C. Normal precipitation for the month is 99 mm over about 12 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: 28°C
Average low: 18°C
Precipitation: 99 mm
Reanalysis high: 40°CDec 18, 1995
Reanalysis low: 10°CDec 3, 2018
Daylight: 14 h 04 min to 14 h 11 min
Cloud cover: 57%
Humidity: 73%
Dew point: 17°C
Wind: 16.2 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	26°C	16°C	32°C 1994	11°C 2011	35%
Dec 2	26°C	16°C	33°C 1994	12°C 2019	34%
Dec 3	26°C	16°C	35°C 2012	10°C 2018	34%
Dec 4	27°C	16°C	35°C 1996	11°C 2009	34%
Dec 5	27°C	16°C	35°C 2012	12°C 2009	35%
Dec 6	27°C	17°C	35°C 2012	12°C 2003	36%
Dec 7	27°C	17°C	33°C 2014	12°C 2015	37%
Dec 8	27°C	17°C	34°C 2008	12°C 2018	36%
Dec 9	27°C	17°C	33°C 2000	10°C 2001	38%
Dec 10	27°C	17°C	37°C 2012	12°C 2003	38%
Dec 11	27°C	17°C	36°C 2020	13°C 2005	36%
Dec 12	27°C	17°C	35°C 1994	13°C 2007	37%
Dec 13	27°C	17°C	34°C 1994	12°C 2010	37%
Dec 14	28°C	17°C	34°C 2006	13°C 2010	37%
Dec 15	28°C	17°C	33°C 2006	12°C 2016	38%
Dec 16	28°C	18°C	36°C 1995	13°C 2003	40%
Dec 17	28°C	18°C	35°C 2006	12°C 2003	40%
Dec 18	28°C	18°C	40°C 1995	13°C 2003	40%
Dec 19	28°C	18°C	35°C 1999	14°C 1998	39%
Dec 20	28°C	18°C	33°C 2014	14°C 2005	38%
Dec 21	28°C	18°C	37°C 1995	14°C 1993	38%
Dec 22	28°C	18°C	34°C 2005	14°C 2019	37%
Dec 23	28°C	18°C	33°C 2012	13°C 2019	37%
Dec 24	29°C	18°C	37°C 2012	13°C 2003	37%
Dec 25	29°C	19°C	37°C 2012	14°C 2005	38%
Dec 26	29°C	19°C	38°C 2013	14°C 2002	37%
Dec 27	29°C	19°C	38°C 1999	16°C 2005	36%
Dec 28	29°C	19°C	37°C 2019	16°C 2012	36%
Dec 29	29°C	19°C	37°C 2019	13°C 2003	35%
Dec 30	29°C	19°C	36°C 2013	14°C 2003	34%
Dec 31	29°C	19°C	36°C 2019	14°C 1993	34%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:17 AM, sunset 7:21 PM
December 31: sunrise 5:27 AM, sunset 7:38 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.