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During the day, you will find highs in the mid-50s. It will dip down into the mid-40s after the sun goes down. Here are a few more details on the San Francisco weather in December. Average High in December: 57° F/14° C. Average Low in December: 46° F/8° C.
December Weather in San Francisco California, United States. Daily high temperatures decrease by 4°F, from 60°F to 56°F, rarely falling below 51°F or exceeding 64°F. Daily low temperatures decrease by 4°F, from 49°F to 45°F, rarely falling below 39°F or exceeding 55°F.
San Francisco warms up to at least 50 °F (10 °C) on most days in December. Temperatures of 70 °F (21 °C) and above rarely occur here this month. The thermometer dips to 40 °F (4 °C) or below on one or two nights during December.
Feb 8, 2024 · The average high temperature throughout December is about 66 F (19 C), which means that during the day, a sweatshirt or light jacket is all you need to stay warm. The average low temperature, which typically happens late at night and early in the morning, is 46 F (8 C).
In December, San Francisco typically experiences moderate temperatures and high rainfall. Daytime temperatures hover around 14°C , while nights can cool down to about 7°C . This month often claims the chilliest averages of the year. San Francisco in December usually receives high rainfall, averaging around 112 mm for the month.
30. 65°. 47°. 1. 65°. 48°. 2. 70°. 51°. 3. 68°. 48°. 68°. 49°. 55°. 45°. 6. 58°. 46°. 7. 61°.
December is the month when San Francisco, California, sees the lowest average temperatures, with a high of 55.8°F (13.2°C) and a low of 45.9°F (7.7°C). Humidity. In December, the average relative humidity in San Francisco, California, is 72%. Rainfall. In December, the rain falls for 8.4 days.
