City and County of San Francisco
December
Weather in City and County of San Francisco for December 2024
Your guide to City and County of San Francisco weather in December - trends and predictions
In general, the average temperature in City and County of San Francisco at the beginning of December is 14.6 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 14.1 °F by the end of December.
The climate of City and County of San Francisco in December is notably wet, with an average of 11 rainy days.
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20
Dry days
11
Rainy days
0
Snow days
15°/9°
Temperatures
14 km/h
Avg max wind
75 %
Avg humidity
City and County of San Francisco in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | ||||||
| 2  14° | 3  15° | 4 14° | 5 17° | 6 15° | 7 13° | 8  13° |
| 9 14° | 10 13° | 11 14° | 12  15° | 13 14° | 14 15° | 15  15° |
| 16 16° | 17 16° | 18 14° | 19  16° | 20 14° | 21 15° | 22 14° |
| 23 14° | 24 15° | 25 15° | 26 14° | 27  15° | 28 14° | 29 14° |
| 30  14° | 31 13° |
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Temperatures trend during December in City and County of San Francisco
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Cloudy | 14° /9° | 0 mm | 3 | |
| Dec. 2 | Patchy rain possible | 14° /11° | 0.5 mm | 3 | |
| Dec. 3 | Fog | 15° /11° | 0 mm | 4 | |
| Dec. 4 | Fog | 14° /12° | 0 mm | 3 | |
| Dec. 5 | Fog | 17° /12° | 0 mm | 4 | |
| Dec. 6 | Light rain shower | 15° /10° | 8.2 mm | 3 | |
| Dec. 7 | Light rain shower | 13° /10° | 3.4 mm | 3 | |
| Dec. 8 | Overcast | 13° /6° | 0 mm | 3 | |
| Dec. 9 | Overcast | 14° /6° | 0 mm | 3 | |
| Dec. 10 | Overcast | 13° /7° | 0 mm | 3 | |
| Dec. 11 | Overcast | 14° /9° | 0 mm | 3 | |
| Dec. 12 | Partly cloudy | 15° /10° | 0 mm | 5 | |
| Dec. 13 | Overcast | 14° /9° | 0 mm | 3 | |
| Dec. 14 | Overcast | 15° /9° | 0 mm | 4 | |
| Dec. 15 | Sunny | 15° /9° | 0 mm | 5 | |
| Dec. 16 | Partly cloudy | 16° /9° | 0 mm | 5 | |
| Dec. 17 | Partly cloudy | 16° /11° | 0.5 mm | 5 | |
| Dec. 18 | Light rain shower | 14° /11° | 18.9 mm | 3 | |
| Dec. 19 | Moderate or heavy rain with thunder | 16° /13° | 15.9 mm | 4 | |
| Dec. 20 | Light rain shower | 14° /11° | 29 mm | 3 | |
| Dec. 21 | Partly cloudy | 15° /10° | 0 mm | 5 | |
| Dec. 22 | Partly cloudy | 14° /10° | 0.4 mm | 5 | |
| Dec. 23 | Overcast | 14° /9° | 0 mm | 4 | |
| Dec. 24 | Partly cloudy | 15° /8° | 0 mm | 4 | |
| Dec. 25 | Overcast | 15° /9° | 0 mm | 4 | |
| Dec. 26 | Patchy rain possible | 14° /9° | 1 mm | 4 | |
| Dec. 27 | Moderate or heavy rain shower | 15° /10° | 13.6 mm | 4 | |
| Dec. 28 | Sunny | 14° /9° | 0.5 mm | 4 | |
| Dec. 29 | Patchy rain possible | 14° /10° | 9.7 mm | 4 | |
| Dec. 30 | Heavy rain at times | 14° /11° | 7.6 mm | 3 | |
| Dec. 31 | Moderate or heavy rain shower | 13° /10° | 43.6 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for City and County of San Francisco in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the City and County of San Francisco forecast closer to your planned date for the most up-to-date weather information.
City and County of San Francisco in December - FAQ
What are the expected maximum and minimum temperatures in City and County of San Francisco during December?
During December, expect a variety of temperatures with highs around 15° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in City and County of San Francisco during December?
Significant rainfall exceeding 229.4 mm is expected in City and County of San Francisco during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in City and County of San Francisco during December?
The average wind speed in City and County of San Francisco during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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