Comodoro Weather in December

NASA POWER reanalysis for the half-degree grid cell around Comodoro, 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 28°C on December 31, and lows from 22°C to 22°C. Normal precipitation for the month is 260 mm over about 28 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: 22°C
Precipitation: 260 mm
Reanalysis high: 35°CDec 2, 2020
Reanalysis low: 15°CDec 18, 2000
Daylight: 12 h 52 min to 12 h 55 min
Cloud cover: 87%
Humidity: 87%
Dew point: 22°C
Wind: 2.9 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	22°C	35°C 2020	20°C 2001	84%
Dec 2	29°C	22°C	35°C 2020	20°C 1994	84%
Dec 3	29°C	22°C	33°C 2020	20°C 1992	85%
Dec 4	29°C	22°C	33°C 1997	18°C 2008	86%
Dec 5	29°C	22°C	33°C 2020	18°C 2008	86%
Dec 6	28°C	22°C	32°C 1997	19°C 2008	86%
Dec 7	28°C	22°C	32°C 1997	20°C 1996	86%
Dec 8	28°C	22°C	33°C 1997	20°C 1996	86%
Dec 9	28°C	22°C	32°C 2020	20°C 1996	86%
Dec 10	28°C	22°C	32°C 1997	20°C 2011	86%
Dec 11	28°C	22°C	32°C 2015	20°C 2020	86%
Dec 12	28°C	22°C	31°C 2015	21°C 2001	87%
Dec 13	28°C	22°C	32°C 2015	18°C 2010	88%
Dec 14	28°C	22°C	31°C 2015	17°C 2010	88%
Dec 15	28°C	22°C	31°C 1997	16°C 2010	88%
Dec 16	28°C	22°C	33°C 2007	15°C 2010	88%
Dec 17	28°C	22°C	32°C 2020	17°C 2010	88%
Dec 18	28°C	22°C	33°C 2007	15°C 2000	87%
Dec 19	28°C	22°C	33°C 2015	17°C 2000	87%
Dec 20	28°C	22°C	33°C 2020	19°C 2000	87%
Dec 21	28°C	22°C	33°C 2007	20°C 2016	87%
Dec 22	28°C	22°C	35°C 2007	18°C 1998	87%
Dec 23	28°C	22°C	31°C 2007	17°C 1998	88%
Dec 24	28°C	22°C	32°C 2012	19°C 1998	88%
Dec 25	28°C	22°C	32°C 2012	20°C 1998	88%
Dec 26	28°C	22°C	32°C 2015	20°C 2005	89%
Dec 27	28°C	22°C	31°C 2015	20°C 1992	88%
Dec 28	28°C	22°C	31°C 1997	21°C 1991	88%
Dec 29	28°C	22°C	30°C 2020	21°C 2012	88%
Dec 30	28°C	22°C	30°C 1997	19°C 2005	88%
Dec 31	28°C	22°C	32°C 2020	20°C 1994	88%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

December 1: sunrise 5:22 AM, sunset 6:14 PM
December 31: sunrise 5:35 AM, sunset 6:30 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.