Ventanas Weather in December

NASA POWER reanalysis for the half-degree grid cell around Ventanas, 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 18°C to 18°C. Normal precipitation for the month is 81 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: 29°C
Average low: 18°C
Precipitation: 81 mm
Reanalysis high: 35°CDec 30, 2015
Reanalysis low: 15°CDec 12, 1998
Daylight: 12 h 12 min to 12 h 12 min
Cloud cover: 80%
Humidity: 70%
Dew point: 16°C
Wind: 11.9 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	18°C	32°C 2016	17°C 2005	47%
Dec 2	29°C	18°C	33°C 2009	16°C 1992	46%
Dec 3	29°C	18°C	32°C 2014	16°C 1998	46%
Dec 4	29°C	18°C	32°C 2015	16°C 2005	47%
Dec 5	29°C	18°C	31°C 2017	16°C 2007	47%
Dec 6	29°C	18°C	32°C 2017	16°C 1998	48%
Dec 7	29°C	18°C	31°C 2015	16°C 1998	49%
Dec 8	29°C	18°C	32°C 1994	16°C 1998	49%
Dec 9	29°C	18°C	33°C 2012	16°C 1992	50%
Dec 10	29°C	18°C	32°C 2015	16°C 1992	50%
Dec 11	29°C	18°C	32°C 2001	16°C 1992	50%
Dec 12	29°C	18°C	33°C 2015	15°C 1998	51%
Dec 13	29°C	18°C	32°C 2009	16°C 1995	52%
Dec 14	29°C	18°C	32°C 2009	16°C 1995	51%
Dec 15	29°C	18°C	31°C 1996	16°C 1992	52%
Dec 16	29°C	18°C	32°C 2018	17°C 1995	52%
Dec 17	29°C	18°C	32°C 2006	16°C 1995	53%
Dec 18	29°C	18°C	32°C 1996	16°C 2010	56%
Dec 19	28°C	18°C	32°C 1996	17°C 2010	56%
Dec 20	28°C	18°C	32°C 2015	17°C 1992	58%
Dec 21	28°C	18°C	32°C 2015	17°C 2011	58%
Dec 22	28°C	18°C	32°C 2015	17°C 1999	58%
Dec 23	28°C	18°C	33°C 2014	17°C 1992	58%
Dec 24	28°C	18°C	33°C 2000	17°C 1998	58%
Dec 25	28°C	18°C	33°C 2015	17°C 1992	58%
Dec 26	28°C	18°C	33°C 2019	17°C 1998	59%
Dec 27	28°C	18°C	33°C 2013	17°C 1998	60%
Dec 28	28°C	18°C	33°C 2015	17°C 1999	60%
Dec 29	28°C	18°C	33°C 2015	17°C 2007	62%
Dec 30	28°C	18°C	35°C 2015	17°C 1996	64%
Dec 31	28°C	18°C	33°C 2015	17°C 1996	65%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-5).

December 1: sunrise 6:01 AM, sunset 6:13 PM
December 31: sunrise 6:15 AM, sunset 6:27 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.