Weather in San Francisco in december
Climate normals based on 10 years of historical data for San Francisco, Amerikas Förenta Stater.
Average high
14°C
Average low
8°C
Rainfall
141 mm
10 rainy days
Sunshine
3.4h/day
Luftfuktighet
72%
Sea temperature
12.2°C
How Hot Is San Francisco in december?
San Francisco's December sits at about 11°C overall, climbing to 14°C by mid-afternoon and dropping to 8°C before dawn. Temperatures climb 3°C over November's averages in San Francisco.
Sunshine Hours in december
Mostly grey with breaks of sun in San Francisco: 3.4h on a typical December day.
Does It Rain In San Francisco In december?
Persistent rain shapes San Francisco's December: 141mm in 10 days.
Is San Francisco Humid In december?
San Francisco feels muggy this month with humidity around 72%, especially in calm air.
How Warm Is The Sea In San Francisco In december?
Cold water defines San Francisco's December sea: 12.2°C on average.
Wind In San Francisco In december
December brings gentle winds to San Francisco — averaging 17 kph.
Cloud Cover In San Francisco In december
Grey, cloudy days are the norm: 56% average cover in San Francisco.
Cities With Similar Weather In december
Weather in San Francisco, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 14°C / 8°C | 128mm | Details → |
| Vädret i februari | 15°C / 8°C | 95mm | Details → |
| Vädret i mars | 15°C / 9°C | 101mm | Details → |
| Vädret i april | 16°C / 10°C | 34mm | Details → |
| Vädret i maj | 18°C / 11°C | 18mm | Details → |
| Vädret i juni | 20°C / 13°C | 1mm | Details → |
| Vädret i juli | 20°C / 13°C | 1mm | Details → |
| Vädret i augusti | 21°C / 14°C | 1mm | Details → |
| Vädret i september | 22°C / 14°C | 3mm | Details → |
| Vädret i oktober | 21°C / 13°C | 29mm | Details → |
| Vädret i november | 17°C / 10°C | 66mm | Details → |
| Vädret i december | 14°C / 8°C | 141mm |