Berkeley weather in december. Full weather forecast for Berkeley in December 2025. For reference, on September 11, the hottest day of the year, temperatures in Berkeley typically range from 57°F to 76°F Averages and records for weather in Berkeley, California in the month of December. 6°F (7°C). Weather. Check accurate weather in December in Berkeley (CA). Expect Berkeley December temperature around 13°C (56°F). During the coldest month in Berkeley, December, temperatures average a high of 55. . December Weather in Berkeley California, United States Daily high temperatures decrease by 4°F, from 59°F to 55°F, rarely falling below 49°F or exceeding 64°F. Read clothing tips & recommended activities. 4°F (13°C) and a low of 44. Check the temperatures, chance of rain and more in Berkeley during December. Daily low temperatures decrease by 3°F, from 46°F to 43°F, rarely falling below 35°F or exceeding 54°F. com brings you the most accurate monthly weather forecast for Berkeley, CA with average/record and high/low temperatures, precipitation and more. Feb 9, 2024 ยท December weather for Berkeley, California: With an average of 9h and 36min of daylight, December has the shortest days of the year in Berkeley. Get the monthly weather forecast for Berkeley, CA, including daily high/low, historical averages, to help you plan ahead. iffczv xzr xgnrgw kmlqh zqcs nnr hpbfn uuavpwq juan ihrxzw