San Francisco, California Weather in January
United States · January climate averages and travel tips
Avg high14°C (56°F)
Avg low6°C (44°F)
Rainfall109 mm (4.3 in)
RatingFair 6.1/10
In January, San Francisco has average highs of 14°C (56°F) and lows of 6°C (44°F). January is winter in United States. The month is moderately rainy, with about 109 mm (4.3 in) of rain spread over 10 days, making it the second wettest month of the year. You get roughly 9.7 hours of daylight and a mix of sun and cloud.
Is January a good time to visit San Francisco?
January is a fair time to visit San Francisco (6.1/10) mainly because of the cold. For better weather, go in May to October.
January weather at a glance
| Average high | 14°C (56°F) |
|---|---|
| Average low | 6°C (44°F) |
| Daily mean | 10°C (49°F) |
| Rainfall | 109 mm (4.3 in) |
| Rainy days (1 mm+) | 10 |
| Humidity | 84% |
| Cloud cover | 58% |
| Daylight | 9.7 hours |
| Est. sunshine | 4.5 hours/day |
| Wind | 7.7 km/h |
| vs December | About as warm as December, with 14 mm less rain. |
What to pack for San Francisco in January
- a warm jacket and layers
- an umbrella or rain jacket
San Francisco weather in other months
Jan14°C / 6°C109 mmFairFeb15°C / 7°C93 mmGoodMar16°C / 8°C90 mmGoodApr17°C / 8°C38 mmExcellentMay19°C / 10°C18 mmExcellentJun22°C / 11°C6 mmExcellentJul23°C / 12°C1 mmExcellentAug23°C / 13°C1 mmExcellentSep24°C / 13°C4 mmExcellentOct22°C / 12°C34 mmExcellentNov18°C / 9°C55 mmExcellentDec14°C / 7°C123 mmFair
← DecemberBest time to visit San FranciscoFebruary →
Better weather in January nearby
- Mexico City22°C · 8 mm · Excellent
- Orlando, Florida22°C · 58 mm · Excellent
- Oaxaca26°C · 8 mm · Excellent
- Nassau24°C · 37 mm · Excellent
- Cabo San Lucas25°C · 7 mm · Excellent
- Key West, Florida23°C · 38 mm · Excellent
Nearby in January
- Los Angeles, California19°C · 82 mm
- Las Vegas, Nevada15°C · 20 mm
- San Diego, California19°C · 51 mm
- Tijuana19°C · 51 mm
- Mexicali21°C · 19 mm
- Phoenix, Arizona20°C · 35 mm
Where else is good in January? See where to go in January.