What to pack for San Francisco in March
- long sleeves and a warm layer
- a medium jacket
- a compact umbrella or rain shell — rain is frequent
Humidity averages 78%; max daily wind around 28 km/h.
How March compares
Best months in San Francisco: April–October. See the full best time to visit San Francisco guide.
San Francisco in March: the details
In March, San Francisco sees average daytime highs of 14°C (57°F) and overnight lows of 9°C (48°F). Rainfall totals roughly 98 mm across 10.7 rainy days, and the sun shines about 9.3 hours per day with 11.7 hours of daylight mid-month. Relative humidity averages 78%.
In context: March is the 10th-warmest month and the third-wettest in San Francisco. The sunniest month is June (13.2 h/day).
| Metric | March average |
|---|---|
| Daytime high | 14°C / 57°F |
| Overnight low | 9°C / 48°F |
| Rainfall | 98 mm over 10.7 rainy days |
| Sunshine | 9.3 h/day (11.7 h daylight) |
| Humidity | 78% |
| Travel score | 6.8 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for San Francisco, United States (37.77, -122.42) — see our methodology. Actual conditions vary year to year.
Not set on San Francisco? Browse the best places to visit in March ranked by travel score.
Frequently asked questions
How hot is San Francisco in March?
Daytime highs in San Francisco in March average 14°C (57°F); nights drop to about 9°C.
Does it rain in San Francisco in March?
Expect around 10.7 rainy days and 98 mm of rainfall in March.
Is March a good time to visit San Francisco?
March is a fair shoulder-season month in San Francisco — decent conditions with some trade-offs. Overall travel score: 6.8/10. The best months are April–October.
Also good in March, near San Francisco
Where should you go next month?
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