Solano Weather in December

NASA POWER reanalysis for the half-degree grid cell around Solano, 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 24°C on December 31, and lows from 18°C to 17°C. Normal precipitation for the month is 291 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: 24°C
Average low: 18°C
Precipitation: 291 mm
Reanalysis high: 28°CDec 21, 2002
Reanalysis low: 11°CDec 29, 1996
Daylight: 11 h 13 min to 11 h 10 min
Cloud cover: 74%
Humidity: 92%
Dew point: 19°C
Wind: 11.2 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	25°C	18°C	27°C 2015	13°C 2007	65%
Dec 2	25°C	18°C	28°C 2015	13°C 2003	64%
Dec 3	25°C	18°C	28°C 2012	14°C 2009	64%
Dec 4	25°C	18°C	27°C 2018	13°C 2009	63%
Dec 5	25°C	18°C	26°C 2015	14°C 1991	63%
Dec 6	25°C	18°C	27°C 2010	12°C 2009	63%
Dec 7	25°C	18°C	27°C 2015	14°C 2009	64%
Dec 8	25°C	18°C	27°C 1997	15°C 2002	65%
Dec 9	24°C	18°C	28°C 2013	14°C 1993	66%
Dec 10	24°C	18°C	28°C 2015	15°C 2009	66%
Dec 11	24°C	18°C	28°C 2015	16°C 2002	65%
Dec 12	24°C	18°C	28°C 2015	16°C 2002	65%
Dec 13	24°C	18°C	27°C 2007	14°C 1994	63%
Dec 14	24°C	18°C	28°C 2006	16°C 1992	63%
Dec 15	24°C	18°C	27°C 2012	15°C 1994	62%
Dec 16	24°C	18°C	27°C 2012	14°C 2008	60%
Dec 17	24°C	18°C	27°C 1997	14°C 2003	61%
Dec 18	24°C	18°C	26°C 2012	12°C 2008	60%
Dec 19	24°C	18°C	27°C 2002	14°C 2008	59%
Dec 20	24°C	17°C	27°C 2002	14°C 1997	60%
Dec 21	24°C	17°C	28°C 2002	14°C 2003	59%
Dec 22	24°C	17°C	28°C 1997	13°C 1999	58%
Dec 23	24°C	17°C	27°C 1997	13°C 1999	57%
Dec 24	24°C	17°C	27°C 2020	13°C 1999	56%
Dec 25	24°C	17°C	27°C 2018	14°C 2001	55%
Dec 26	24°C	17°C	27°C 2018	13°C 1996	54%
Dec 27	24°C	17°C	28°C 2002	13°C 1996	53%
Dec 28	24°C	17°C	27°C 1991	12°C 1996	52%
Dec 29	24°C	17°C	27°C 2020	11°C 1996	51%
Dec 30	24°C	17°C	28°C 2012	12°C 1996	51%
Dec 31	24°C	17°C	26°C 2004	13°C 1995	50%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

December 1: sunrise 6:08 AM, sunset 5:21 PM
December 31: sunrise 6:23 AM, sunset 5:33 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.