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Get the monthly weather forecast for Sonoma, CA, including daily high/low, historical averages, to help you plan ahead.
Weather.com brings you the most accurate monthly weather forecast for Sonoma, CA with average/record and high/low temperatures, precipitation and more.
In Sonoma during December average daily high temperatures decrease from 59°F to 55°F and the fraction of time spent overcast or mostly cloudy increases from 52% to 56%.
Check accurate weather in December in Sonoma (CA). Expect Sonoma December temperature around 14°C (57°F). Read clothing tips & recommended activities.
Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Sonoma, CA, US with The Weather Network.
The weather in Sonoma in December is moderately chilly with a gentle breeze, with average highs of 57°F (14°C) and lows of 41°F (5°C).
Climate and Average Weather Year Round in Sonoma. California, United States. In Sonoma, the summers are long, warm, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 38°F to 84°F and is rarely below 29°F or above 94°F .
