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Get the monthly weather forecast for Sonoma, CA, including daily high/low, historical averages, to help you plan ahead.
December Weather in Sonoma. California, United States. Daily high temperatures decrease by 5°F, from 59°F to 55°F, rarely falling below 48°F or exceeding 66°F. The lowest daily average high temperature is 55°F on December 27. Daily low temperatures decrease by 2°F, from 41°F to 38°F, rarely falling below 29°F or exceeding 51°F.
In December, Sonoma generally has moderate temperatures and high rainfall. December falls within the winter season. Anticipate daytime temperatures around 14°C, while night temperatures can drop to 4°C. On average, December has the most moderate temperatures of the year.
The cool season lasts for 2.4 months, from November 27 to February 11, with an average daily high temperature below 60°F. The coldest month of the year in Sonoma is January, with an average low of 39°F and high of 56°F.
The average temperature in Sonoma in December for a typical day ranges from a high of 57°F (14°C) to a low of 41°F (5°C). Some would describe it as moderately chilly with a gentle breeze.
Climate & Weather Averages in Sonoma, California, USA. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 57 °F. Clear. (Weather station: Napa County Airport, USA). See more current weather.
Weather.com brings you the most accurate monthly weather forecast for Sonoma, CA with average/record and high/low temperatures, precipitation and more.
