Concepción del Uruguay Weather in December

NASA POWER reanalysis for the half-degree grid cell around Concepción del Uruguay, 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 32°C on December 31, and lows from 16°C to 19°C. Normal precipitation for the month is 133 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: 31°C
Average low: 17°C
Precipitation: 133 mm
Reanalysis high: 43°CDec 26, 2013
Reanalysis low: 7°CDec 1, 1993
Daylight: 14 h 08 min to 14 h 15 min
Cloud cover: 48%
Humidity: 63%
Dew point: 15°C
Wind: 14.8 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	16°C	35°C 1999	7°C 1993	31%
Dec 2	29°C	16°C	36°C 2004	10°C 2005	30%
Dec 3	29°C	16°C	37°C 2004	9°C 2018	30%
Dec 4	29°C	16°C	36°C 1999	10°C 2009	29%
Dec 5	30°C	16°C	36°C 1995	11°C 2020	30%
Dec 6	30°C	16°C	37°C 1995	9°C 1999	32%
Dec 7	30°C	16°C	36°C 2010	9°C 2005	32%
Dec 8	30°C	16°C	39°C 2008	11°C 2018	32%
Dec 9	30°C	16°C	36°C 2017	9°C 2001	34%
Dec 10	30°C	16°C	39°C 1994	12°C 2001	33%
Dec 11	30°C	16°C	38°C 1994	10°C 2005	31%
Dec 12	30°C	17°C	37°C 2015	11°C 2003	32%
Dec 13	30°C	17°C	35°C 2006	10°C 2010	32%
Dec 14	30°C	17°C	36°C 2013	12°C 2016	34%
Dec 15	31°C	17°C	38°C 2004	11°C 2016	35%
Dec 16	31°C	17°C	41°C 1995	11°C 2000	36%
Dec 17	31°C	17°C	41°C 1995	11°C 2003	36%
Dec 18	31°C	17°C	43°C 1995	11°C 2017	36%
Dec 19	31°C	17°C	38°C 2011	13°C 2015	37%
Dec 20	31°C	18°C	41°C 1995	12°C 2005	36%
Dec 21	31°C	18°C	42°C 1995	11°C 1993	34%
Dec 22	31°C	18°C	38°C 2013	10°C 2019	34%
Dec 23	31°C	18°C	39°C 2013	11°C 2014	34%
Dec 24	31°C	18°C	39°C 2013	11°C 2002	33%
Dec 25	31°C	18°C	41°C 2013	12°C 2011	33%
Dec 26	31°C	18°C	43°C 2013	13°C 1991	32%
Dec 27	31°C	18°C	42°C 1999	12°C 2012	32%
Dec 28	31°C	19°C	37°C 2013	14°C 2012	33%
Dec 29	32°C	19°C	38°C 2013	12°C 2003	32%
Dec 30	32°C	19°C	38°C 1994	12°C 1993	31%
Dec 31	32°C	19°C	40°C 1994	14°C 2003	31%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:38 AM, sunset 7:46 PM
December 31: sunrise 5:48 AM, sunset 8:03 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.