Sea Ranch climate

Sea Ranch Weather in December

NOAA 1991-2020 normals for Ft Ross, 28.7 km from Sea Ranch

Average highs run from 58°F on December 1 to 57°F on December 31, and lows from 43°F to 41°F. Normal precipitation for the month is 8.44 in.

December day by day

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

Normal daily high and low temperature at Sea Ranch, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
57°F
Average low
42°F
Precipitation
8.44 in
Record high
84°FDec 3, 2006
Record low
18°FDec 9, 2013
Chance of a freeze
43%
Daylight
9 h 40 min to 9 h 30 min
Cloud cover
61%
Humidity
84%
Dew point
48°F
Wind
13.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 158°F43°F75°F 202124°F 2007
Dec 258°F43°F73°F 201125°F 2004
Dec 358°F43°F84°F 200623°F 2004
Dec 458°F42°F83°F 200624°F 2004
Dec 558°F42°F74°F 202421°F 2013
Dec 658°F42°F82°F 200620°F 2013
Dec 758°F42°F77°F 202023°F 2009
Dec 858°F42°F72°F 202020°F 2009
Dec 958°F42°F67°F 202518°F 2013
Dec 1058°F42°F72°F 202521°F 2013
Dec 1157°F42°F73°F 202524°F 2013
Dec 1257°F42°F68°F 202525°F 2013
Dec 1357°F42°F66°F 202526°F 2011
Dec 1457°F42°F69°F 201727°F 2013
Dec 1557°F42°F66°F 201327°F 2005
Dec 1657°F42°F72°F 202327°F 2006
Dec 1757°F41°F67°F 201123°F 2008
Dec 1857°F41°F66°F 200324°F 2016
Dec 1957°F41°F69°F 202425°F 2006
Dec 2057°F41°F64°F 201126°F 2006
Dec 2157°F41°F67°F 202326°F 2017
Dec 2257°F41°F69°F 201323°F 2011
Dec 2357°F41°F69°F 201324°F 2011
Dec 2457°F41°F69°F 201325°F 2011
Dec 2557°F41°F66°F 201326°F 2007
Dec 2657°F41°F67°F 201324°F 2016
Dec 2757°F41°F64°F 202425°F 2003
Dec 2857°F41°F65°F 201324°F 2013
Dec 2957°F41°F67°F 201325°F 2013
Dec 3057°F41°F68°F 201326°F 2013
Dec 3157°F41°F66°F 201323°F 2014

Chance of rain

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:13 AM, sunset 4:53 PM
December 31
sunrise 7:32 AM, sunset 5:02 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043191 (Ft Ross), public domain. Records: NOAA GHCN-Daily, station USW00023275, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.