San Pablo Weather in December

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

Average highs run from 31°C on December 1 to 32°C on December 31, and lows from 26°C to 25°C. Normal precipitation for the month is 59 mm over about 9 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: 31°C
Average low: 26°C
Precipitation: 59 mm
Reanalysis high: 36°CDec 30, 2015
Reanalysis low: 23°CDec 29, 1994
Daylight: 11 h 35 min to 11 h 33 min
Cloud cover: 42%
Humidity: 80%
Dew point: 24°C
Wind: 13.3 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	31°C	26°C	33°C 2019	25°C 2001	52%
Dec 2	31°C	26°C	34°C 2015	24°C 2001	49%
Dec 3	31°C	26°C	34°C 2009	25°C 2012	47%
Dec 4	31°C	26°C	34°C 1997	25°C 2007	46%
Dec 5	31°C	26°C	34°C 2020	25°C 2007	45%
Dec 6	31°C	26°C	33°C 2015	25°C 2007	45%
Dec 7	31°C	26°C	34°C 1997	25°C 2018	44%
Dec 8	31°C	26°C	33°C 1997	24°C 2018	43%
Dec 9	31°C	26°C	33°C 2012	24°C 1998	42%
Dec 10	31°C	26°C	33°C 2015	25°C 2004	40%
Dec 11	31°C	26°C	34°C 2015	25°C 1991	39%
Dec 12	31°C	26°C	34°C 2020	25°C 1991	38%
Dec 13	31°C	26°C	34°C 2020	25°C 1996	37%
Dec 14	31°C	26°C	34°C 2020	25°C 1996	36%
Dec 15	31°C	26°C	34°C 2009	24°C 2000	34%
Dec 16	31°C	26°C	33°C 2020	24°C 2000	33%
Dec 17	31°C	26°C	34°C 2020	24°C 2018	32%
Dec 18	31°C	26°C	34°C 2020	24°C 2008	31%
Dec 19	31°C	26°C	34°C 2020	24°C 2000	29%
Dec 20	31°C	25°C	34°C 2015	24°C 1992	27%
Dec 21	31°C	25°C	34°C 2020	24°C 1992	26%
Dec 22	31°C	25°C	35°C 2015	23°C 1991	25%
Dec 23	31°C	25°C	35°C 2015	24°C 1991	23%
Dec 24	31°C	25°C	35°C 2015	24°C 1991	22%
Dec 25	31°C	25°C	35°C 1997	24°C 1991	21%
Dec 26	32°C	25°C	35°C 1997	24°C 2011	19%
Dec 27	32°C	25°C	35°C 1997	24°C 2008	18%
Dec 28	32°C	25°C	35°C 2015	24°C 1994	17%
Dec 29	32°C	25°C	35°C 2015	23°C 1994	15%
Dec 30	32°C	25°C	36°C 2015	24°C 1996	14%
Dec 31	32°C	25°C	35°C 2015	23°C 2003	14%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:03 AM, sunset 5:38 PM
December 31: sunrise 6:18 AM, sunset 5:51 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.