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When to go

San Francisco in December

In December, San Francisco averages daytime highs of 13°C and night-time lows of 6°C, with about 138 mm of rain over the month. That makes December the 11th warmest and the wettest month of the year here. The most comfortable months are usually July, August and September.

San Francisco, United States
Photo: Lightandtruth, CC BY-SA 4.0
Average high
13°C
Average low
6°C
Rainfall
138 mm
Humidity
82%

Climate

San Francisco weather through the year

NASA POWER climate averages, 2001–2020. December is highlighted.
Average monthly weather
MonthJanFebMarAprMayJunJulAugSepOctNovDec
High °C131415171921222323211713
Low °C67889111212121186
Rain mm10010282421861142962138

FAQ

San Francisco in December: questions

Is December a good time to visit San Francisco?

December is not among the most comfortable months in San Francisco; July, August and September are usually better. Expect highs around 13°C and 138 mm of rain (NASA climate averages, 2001–2020).

How hot is San Francisco in December?

The average daytime high in San Francisco in December is 13°C and the average low is 6°C.

Does it rain in San Francisco in December?

San Francisco gets about 138 mm of rain in December on average, making it the wettest month. Average humidity is 82%.

How much are hotels in San Francisco in December?

Prices depend on dates and availability. Search San Francisco for December on book.maqami.co to see live prices; signed-in members save up to 10% versus the guest price.

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