Weather in San Francisco in December
San Francisco offers a mild climate with occasional showers (avg 10.6°C, 10 rainy days). Weather score: 5.3/10 · Good
Avg temp
10.6°C
Daytime high
13.5°C
Night low
7.9°C
Rainy days
10
Sun per day
6.7 h
San Francisco climate table – all 12 months
| Month | Avg temp | High | Low | Rainy days | Sun/day | Score |
|---|---|---|---|---|---|---|
| January | 10.5°C | 14°C | 7.5°C | 9 | 7.2 h | 5.3/10 |
| February | 11.1°C | 14.8°C | 7.9°C | 7 | 8.8 h | 6/10 |
| March | 11.9°C | 15.2°C | 9.1°C | 9 | 9.4 h | 7.2/10 |
| April | 12.8°C | 16.2°C | 10°C | 5 | 11.4 h | 7.9/10 |
| May | 13.9°C | 17.2°C | 11.3°C | 2 | 12.8 h | 8.4/10 |
| June | 15.6°C | 19.3°C | 12.7°C | 0 | 13.3 h | 8.4/10 |
| July | 15.9°C | 19.4°C | 13.4°C | 0 | 13.2 h | 8.4/10 |
| August | 16.7°C | 20.2°C | 14.4°C | 0 | 12.4 h | 9.2/10 |
| September | 17.4°C | 21.4°C | 14.4°C | 1 | 11.6 h | 9.2/10 |
| October | 16.3°C | 20.6°C | 13°C | 3 | 9.8 h | 9.2/10 |
| November | 12.9°C | 16.6°C | 9.8°C | 6 | 8.5 h | 7.9/10 |
| December | 10.6°C | 13.5°C | 7.9°C | 10 | 6.7 h | 5.3/10 |
Top alternatives in December
Chile
Santiago · ⭐ 10
Thailand
Bangkok · ⭐ 10
Thailand
Thailand · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Australia
Perth · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Frequently asked questions about San Francisco in December
How warm is it in San Francisco in December?
In December, San Francisco averages 10.6°C, with daytime highs of 13.5°C and night lows of 7.9°C.
Does it rain a lot in San Francisco in December?
December sees around 10 rainy days and about 135.1 mm of rainfall in San Francisco.
Is December a good month to visit San Francisco?
December scores 5.3/10 for San Francisco. San Francisco offers a mild climate with occasional showers (avg 10.6°C, 10 rainy days).