Best Time to Visit San Francisco
San Francisco is best visited All year, when conditions are at their most settled.
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Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 13.3°C | 7.7°C | 98.0mm | 7.3h | 9 | 10/10 |
| February Best | 14.5°C | 7.5°C | 33.4mm | 9.4h | 4 | 10/10 |
| March Best | 13.6°C | 8.4°C | 88.2mm | 9.5h | 10 | 10/10 |
| April Best | 15.0°C | 9.7°C | 21.8mm | 11.7h | 3 | 10/10 |
| May Best | 16.9°C | 11.4°C | 15.4mm | 12.8h | 4 | 10/10 |
| June Best | 18.1°C | 12.9°C | 2.5mm | 13.0h | 0 | 10/10 |
| July Best | 18.0°C | 13.1°C | 0.1mm | 12.7h | 0 | 10/10 |
| August Best | 19.8°C | 14.5°C | 0.2mm | 12.2h | 0 | 10/10 |
| September Best | 20.3°C | 14.6°C | 4.0mm | 11.4h | 1 | 10/10 |
| October Best | 19.9°C | 13.0°C | 42.4mm | 9.5h | 2 | 10/10 |
| November Best | 16.2°C | 9.7°C | 42.5mm | 8.7h | 6 | 10/10 |
| December Best | 13.2°C | 8.0°C | 182.2mm | 6.4h | 12 | 9/10 |
San Francisco Climate
San Francisco has a oceanic climate — mild temperatures year-round with regular rainfall. Check the annual climate overview for San Francisco for the full year picture.
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Frequently Asked Questions
What is the best month to visit San Francisco?
The best month to visit San Francisco is January, when temperatures average 13.3°C and conditions score 10/10 for comfort.
What is the weather like in San Francisco in January?
In January, San Francisco sees average highs of 13.3°C (55.9°F) and lows of 7.7°C. Conditions are cool and fairly wet (9 rainy days on average), with roughly 7.3 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel.
When is rainy season in San Francisco?
San Francisco does not have a distinct rainy season — rainfall is spread relatively evenly through the year.
Is San Francisco good to visit in winter?
Yes — winter (December, January, February) averages 13.3°C highs with a 10/10 comfort rating, making it a solid time to visit.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.