March · United States
Best time to visit San Francisco in March Weather, crowds & prices
Weather in San Francisco in March
Average temperature 11°C, 99 mm of rain, about 18 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
6.7/10
Ranked #8 of 12 months
- Avg temp
- 11°C
- Rainfall
- 99 mm
- Humidity
- 82%
- Days with 6h+ sun
- 18
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
March in San Francisco scores 6.7/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 11°C, 99 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
Fog-kissed hills, bridges, and bay walks at their most pleasant from April through June.
March in San Francisco — middling scores, decent value
Expect 11°C (51°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 99 mm of rain this month — a flexible day or two helps — with about 18 days with 6+ hours of sunshine and 11.7 hours of daylight to work around it.
That is 6.7/10 on the same scale — 8th of 12 months, versus 9.8/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, July is materially better in San Francisco — 3.1 points higher on the same scale.
Frequently asked
- What is the weather like in San Francisco in March?
- In March, San Francisco averages 11°C, 99 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 6.7/10.
- Is March a good time to visit San Francisco?
- March earns a 6.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in San Francisco in March?
- Expect about 99 mm of rain in March. Average humidity is 82% and there are about 18 days with 6+ hours of sunshine.
Curated in San Francisco
Tickets & experiences
Things to do in San Francisco
San Francisco, United States. Live activities and tours from GetYourGuide, matched to this destination.