Potrerillos Weather in December

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

Average highs run from 26°C on December 1 to 26°C on December 31, and lows from 18°C to 17°C. Normal precipitation for the month is 62 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: 26°C
Average low: 17°C
Precipitation: 62 mm
Reanalysis high: 34°CDec 2, 2018
Reanalysis low: 11°CDec 15, 1997
Daylight: 11 h 18 min to 11 h 14 min
Cloud cover: 57%
Humidity: 85%
Dew point: 18°C
Wind: 4.7 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	26°C	18°C	34°C 2018	13°C 2011	50%
Dec 2	26°C	18°C	34°C 2018	14°C 2011	51%
Dec 3	26°C	18°C	33°C 2018	14°C 1999	51%
Dec 4	26°C	18°C	31°C 2018	14°C 1999	51%
Dec 5	26°C	18°C	30°C 2016	15°C 2007	49%
Dec 6	26°C	17°C	30°C 2004	15°C 2000	49%
Dec 7	26°C	17°C	31°C 2004	14°C 2003	50%
Dec 8	26°C	17°C	32°C 2018	13°C 2003	50%
Dec 9	26°C	17°C	31°C 2009	14°C 2020	48%
Dec 10	26°C	17°C	32°C 1997	12°C 2017	46%
Dec 11	26°C	17°C	30°C 1997	13°C 2017	45%
Dec 12	26°C	17°C	30°C 1997	12°C 2017	45%
Dec 13	25°C	17°C	31°C 1993	13°C 2008	45%
Dec 14	25°C	17°C	32°C 2018	12°C 2010	45%
Dec 15	25°C	17°C	32°C 1992	11°C 1997	44%
Dec 16	25°C	17°C	32°C 1992	12°C 2010	44%
Dec 17	25°C	17°C	31°C 1992	11°C 1997	44%
Dec 18	25°C	17°C	30°C 1995	13°C 2003	43%
Dec 19	25°C	17°C	31°C 2018	13°C 2003	42%
Dec 20	25°C	17°C	32°C 2018	13°C 2003	41%
Dec 21	25°C	17°C	31°C 1997	14°C 2003	40%
Dec 22	25°C	17°C	31°C 2004	14°C 2009	40%
Dec 23	25°C	17°C	31°C 2004	14°C 2010	39%
Dec 24	26°C	17°C	32°C 2002	14°C 2012	39%
Dec 25	26°C	17°C	30°C 1997	13°C 2012	40%
Dec 26	26°C	17°C	30°C 1997	13°C 2020	40%
Dec 27	26°C	17°C	31°C 2018	13°C 2010	39%
Dec 28	26°C	17°C	31°C 2018	12°C 2006	40%
Dec 29	26°C	17°C	31°C 2018	12°C 1999	39%
Dec 30	26°C	17°C	31°C 2018	13°C 1999	38%
Dec 31	26°C	17°C	31°C 2018	13°C 1997	38%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1: sunrise 6:02 AM, sunset 5:20 PM
December 31: sunrise 6:18 AM, sunset 5:32 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.