Ario de Rosales Weather in December

NASA POWER reanalysis for the half-degree grid cell around Ario de Rosales, 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 15°C to 15°C. Normal precipitation for the month is 3 mm over about 0 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: 29°C
Average low: 15°C
Precipitation: 3 mm
Reanalysis high: 33°CDec 12, 1994
Reanalysis low: 9°CDec 26, 2006
Daylight: 11 h 04 min to 11 h 00 min
Cloud cover: 38%
Humidity: 56%
Dew point: 10°C
Wind: 7.6 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	15°C	32°C 2019	11°C 1999	2%
Dec 2	29°C	15°C	33°C 2007	12°C 2008	2%
Dec 3	29°C	15°C	32°C 1994	12°C 1999	2%
Dec 4	29°C	15°C	32°C 1994	11°C 1999	2%
Dec 5	29°C	15°C	32°C 1995	10°C 1999	2%
Dec 6	29°C	15°C	33°C 1994	11°C 1999	2%
Dec 7	29°C	15°C	33°C 1994	11°C 2010	2%
Dec 8	29°C	15°C	32°C 2016	12°C 1999	2%
Dec 9	29°C	15°C	32°C 1999	11°C 2017	2%
Dec 10	29°C	15°C	33°C 1994	10°C 2010	2%
Dec 11	29°C	15°C	33°C 2005	9°C 2017	2%
Dec 12	29°C	15°C	33°C 1994	10°C 2017	2%
Dec 13	29°C	15°C	32°C 2016	10°C 2010	1%
Dec 14	29°C	15°C	32°C 1994	10°C 1997	1%
Dec 15	29°C	15°C	32°C 2000	11°C 1997	1%
Dec 16	29°C	15°C	32°C 1994	12°C 2010	2%
Dec 17	29°C	15°C	32°C 2012	11°C 2010	2%
Dec 18	29°C	15°C	32°C 2007	10°C 2010	3%
Dec 19	28°C	15°C	32°C 2008	10°C 2003	3%
Dec 20	28°C	15°C	32°C 2016	10°C 2003	3%
Dec 21	28°C	15°C	33°C 2015	9°C 2018	4%
Dec 22	28°C	15°C	32°C 2007	11°C 2018	4%
Dec 23	28°C	15°C	32°C 2012	12°C 2009	5%
Dec 24	28°C	15°C	33°C 2020	10°C 2009	5%
Dec 25	28°C	15°C	31°C 2011	11°C 2006	6%
Dec 26	28°C	15°C	31°C 2017	9°C 2006	6%
Dec 27	28°C	15°C	32°C 2011	10°C 2006	6%
Dec 28	28°C	15°C	32°C 2016	12°C 2006	6%
Dec 29	28°C	15°C	32°C 2016	12°C 1997	6%
Dec 30	28°C	15°C	31°C 2007	12°C 2010	6%
Dec 31	28°C	15°C	32°C 1999	12°C 2020	6%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1: sunrise 7:04 AM, sunset 6:08 PM
December 31: sunrise 7:20 AM, sunset 6:20 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.