Frontera Weather in December

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

Average highs run from 27°C on December 1 to 26°C on December 31, and lows from 22°C to 21°C. Normal precipitation for the month is 90 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: 27°C
Average low: 22°C
Precipitation: 90 mm
Reanalysis high: 33°CDec 9, 2009
Reanalysis low: 16°CDec 31, 1997
Daylight: 11 h 06 min to 11 h 02 min
Cloud cover: 49%
Humidity: 85%
Dew point: 21°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	27°C	22°C	31°C 2018	19°C 2011	36%
Dec 2	27°C	22°C	31°C 2009	18°C 2011	36%
Dec 3	27°C	22°C	31°C 1994	18°C 2008	36%
Dec 4	27°C	22°C	29°C 1994	20°C 2008	37%
Dec 5	27°C	22°C	30°C 1994	20°C 1999	36%
Dec 6	27°C	22°C	29°C 2004	20°C 1995	36%
Dec 7	27°C	22°C	30°C 1994	20°C 1995	37%
Dec 8	27°C	22°C	31°C 2009	18°C 2010	36%
Dec 9	27°C	22°C	33°C 2009	18°C 2003	34%
Dec 10	27°C	22°C	30°C 2012	18°C 2010	35%
Dec 11	27°C	22°C	29°C 2012	17°C 2010	37%
Dec 12	27°C	22°C	30°C 2009	18°C 2010	37%
Dec 13	27°C	22°C	31°C 2009	19°C 1997	37%
Dec 14	27°C	22°C	30°C 2009	17°C 2017	36%
Dec 15	27°C	22°C	30°C 2009	16°C 2010	36%
Dec 16	27°C	21°C	30°C 2012	17°C 2010	36%
Dec 17	26°C	21°C	30°C 2012	17°C 1997	37%
Dec 18	26°C	21°C	30°C 2016	19°C 1998	37%
Dec 19	26°C	21°C	31°C 2012	18°C 1998	36%
Dec 20	26°C	21°C	31°C 2012	19°C 1996	36%
Dec 21	26°C	21°C	28°C 2013	18°C 2009	37%
Dec 22	26°C	21°C	29°C 2004	17°C 2018	37%
Dec 23	26°C	21°C	29°C 2015	17°C 2018	37%
Dec 24	26°C	21°C	30°C 2009	18°C 2009	39%
Dec 25	26°C	21°C	30°C 2012	18°C 2019	38%
Dec 26	26°C	21°C	29°C 2009	18°C 2019	39%
Dec 27	26°C	21°C	29°C 2009	17°C 2020	41%
Dec 28	26°C	21°C	31°C 2012	16°C 2010	41%
Dec 29	26°C	21°C	29°C 2012	18°C 2010	41%
Dec 30	26°C	21°C	29°C 2010	18°C 1999	41%
Dec 31	26°C	21°C	31°C 2010	16°C 1997	40%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1: sunrise 6:27 AM, sunset 5:33 PM
December 31: sunrise 6:43 AM, sunset 5:45 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.