Sombrio Weather in December

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

Average highs run from 25°C on December 1 to 27°C on December 31, and lows from 19°C to 21°C. Normal precipitation for the month is 118 mm over about 19 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: 20°C
Precipitation: 118 mm
Reanalysis high: 36°CDec 25, 2012
Reanalysis low: 15°CDec 14, 2010
Daylight: 13 h 52 min to 13 h 59 min
Cloud cover: 70%
Humidity: 80%
Dew point: 19°C
Wind: 15.1 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	25°C	19°C	29°C 2014	16°C 2016	51%
Dec 2	25°C	19°C	32°C 1994	16°C 2011	50%
Dec 3	25°C	19°C	29°C 1994	16°C 2018	50%
Dec 4	25°C	19°C	30°C 2004	16°C 2018	50%
Dec 5	25°C	19°C	30°C 2012	17°C 2008	51%
Dec 6	25°C	20°C	31°C 2012	17°C 2008	52%
Dec 7	25°C	20°C	33°C 2012	17°C 2018	54%
Dec 8	25°C	20°C	32°C 2014	16°C 2018	54%
Dec 9	25°C	20°C	29°C 2014	16°C 2018	55%
Dec 10	25°C	20°C	31°C 1991	17°C 2003	55%
Dec 11	26°C	20°C	30°C 2012	17°C 2005	54%
Dec 12	26°C	20°C	32°C 2019	17°C 2005	54%
Dec 13	26°C	20°C	31°C 1994	16°C 2010	54%
Dec 14	26°C	20°C	31°C 2017	15°C 2010	55%
Dec 15	26°C	20°C	30°C 2019	17°C 2010	56%
Dec 16	26°C	20°C	31°C 1995	17°C 1992	58%
Dec 17	26°C	20°C	34°C 2017	17°C 2003	59%
Dec 18	26°C	21°C	32°C 1995	16°C 2000	58%
Dec 19	26°C	21°C	30°C 1991	17°C 1998	57%
Dec 20	26°C	21°C	33°C 2012	18°C 1998	56%
Dec 21	26°C	21°C	31°C 2018	19°C 1993	56%
Dec 22	26°C	21°C	32°C 1995	18°C 1993	55%
Dec 23	27°C	21°C	32°C 2005	19°C 1998	55%
Dec 24	27°C	21°C	30°C 2012	18°C 2003	55%
Dec 25	27°C	21°C	36°C 2012	18°C 1998	56%
Dec 26	27°C	21°C	30°C 2019	18°C 2002	58%
Dec 27	27°C	21°C	32°C 1997	18°C 2002	58%
Dec 28	27°C	21°C	31°C 2019	18°C 1992	58%
Dec 29	27°C	21°C	31°C 2019	19°C 1993	58%
Dec 30	27°C	21°C	31°C 1997	18°C 1993	57%
Dec 31	27°C	21°C	33°C 2019	19°C 1993	56%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

December 1: sunrise 5:12 AM, sunset 7:04 PM
December 31: sunrise 5:22 AM, sunset 7:21 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.