San Rafael Abajo Weather in December

NASA POWER reanalysis for the half-degree grid cell around San Rafael Abajo, 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 28°C on December 31, and lows from 20°C to 19°C. Normal precipitation for the month is 60 mm over about 12 wet days.

December day by day

The normal high and low for each date, and the record, in °C.

Normal low
Normal high
Record high
Record low

December at a glance

Average high: 27°C
Average low: 19°C
Precipitation: 60 mm
Record high: 33°CDec 29, 1976
Record low: 10°CDec 28, 1976
Daylight: 11 h 36 min to 11 h 34 min
Cloud cover: 65%
Humidity: 83%
Dew point: 19°C
Wind: 5.8 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	Record high	Record low	Chance wet
Dec 1	27°C	20°C	30°C 2014	15°C 2005	50%
Dec 2	27°C	20°C	30°C 2014	15°C 2005	49%
Dec 3	27°C	20°C	30°C 2014	15°C 1983	48%
Dec 4	27°C	20°C	31°C 2015	16°C 1977	47%
Dec 5	27°C	20°C	31°C 2015	15°C 2016	47%
Dec 6	27°C	19°C	30°C 1979	14°C 1995	46%
Dec 7	27°C	19°C	30°C 2013	15°C 1983	45%
Dec 8	27°C	19°C	30°C 2015	15°C 2012	43%
Dec 9	27°C	19°C	30°C 2015	15°C 2009	42%
Dec 10	27°C	19°C	31°C 2023	15°C 2013	42%
Dec 11	27°C	19°C	32°C 1997	15°C 1988	41%
Dec 12	27°C	19°C	32°C 1979	13°C 1984	40%
Dec 13	27°C	19°C	31°C 2023	12°C 1984	39%
Dec 14	27°C	19°C	30°C 2015	11°C 1988	38%
Dec 15	27°C	19°C	30°C 1979	14°C 2007	38%
Dec 16	27°C	19°C	30°C 1981	15°C 2007	36%
Dec 17	27°C	19°C	31°C 2019	16°C 1977	35%
Dec 18	27°C	19°C	32°C 2015	15°C 2010	35%
Dec 19	27°C	19°C	30°C 2001	15°C 1977	34%
Dec 20	27°C	19°C	30°C 2015	14°C 1978	33%
Dec 21	27°C	19°C	30°C 2019	14°C 1978	33%
Dec 22	27°C	19°C	30°C 2004	14°C 1978	32%
Dec 23	27°C	19°C	31°C 2004	13°C 1978	32%
Dec 24	27°C	19°C	31°C 2015	15°C 1985	32%
Dec 25	27°C	19°C	32°C 2002	15°C 1985	30%
Dec 26	27°C	19°C	31°C 2004	16°C 1978	30%
Dec 27	27°C	19°C	31°C 1997	16°C 1997	30%
Dec 28	28°C	19°C	31°C 1997	10°C 1976	30%
Dec 29	28°C	19°C	33°C 1976	14°C 1976	29%
Dec 30	28°C	19°C	31°C 2015	13°C 1976	30%
Dec 31	28°C	19°C	31°C 2019	15°C 1977	30%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1: sunrise 5:38 AM, sunset 5:14 PM
December 31: sunrise 5:53 AM, sunset 5:27 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CSM00078762, every year on file, quality-flagged values removed. 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.