San Francisco in March

In March, San Francisco averages 17°C (63°F) during the day and 10°C (50°F) at night, with around 10 days of rain (75 mm total).

Shoulder

Conditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.

March in San Francisco is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).

17°C
Avg high
10°C
Avg low
10
Rain days
75 mm
Rainfall

How March compares to the rest of the year in San Francisco

9th
warmest month of the 12
3rd
wettest month of the 12
15%
of yearly rainfall falls in March
11 h 56 min
daylight on the 15th

March is in the middle of the year for warmth in San Francisco (9th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 2°C below the annual average (19°C). March runs 2°C warmer than February (15°C) and warms a further 1°C into April (18°C).

March sunrise & sunset in San Francisco

🌅
Sunrise (15th)
7:20 AM
🌇
Sunset (15th)
7:16 PM
Day length
11 h 56 min

Times shown for San Francisco local time (America/Los_Angeles), calculated for the 15th of March. They shift by a few minutes day to day across the month.

Photography light in San Francisco — March

Golden-hour and blue-hour windows for the 15th of March, in San Francisco's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:20 AM – 7:00 AM
🌄 Golden hour (AM)
7:00 AM – 8:00 AM
🌇 Golden hour (PM)
6:36 PM – 7:36 PM
🌆 Blue hour (PM)
7:36 PM – 8:16 PM
Milky Way galactic core
Poor
Core barely rises (or hasn't yet returned for the season). Consider a different month.

📅 When to book — San Francisco in March

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on March's tier (Shoulder) and San Francisco's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — March in San Francisco

Shoulder

San Francisco is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — March in San Francisco

☀️ UV Index (noon, 15th)
9.2
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●○○○
Low
Mosquitoes present but manageable. Pack repellent (DEET 10-20%) for evenings near water.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

San Francisco in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 14°C / 57°F 8°C / 46°F 110 mm 11
February 15°C / 59°F 9°C / 48°F 110 mm 10
March 17°C / 63°F 10°C / 50°F 75 mm 10
April 18°C / 64°F 11°C / 52°F 30 mm 6
May 19°C / 66°F 12°C / 54°F 10 mm 3
June 21°C / 70°F 13°C / 55°F 5 mm 1
July 22°C / 72°F 14°C / 57°F 0 mm 0
August 23°C / 73°F 14°C / 57°F 1 mm 1
September 24°C / 75°F 14°C / 57°F 5 mm 2
October 22°C / 72°F 13°C / 55°F 20 mm 4
November 18°C / 64°F 11°C / 52°F 55 mm 7
December 14°C / 57°F 8°C / 46°F 85 mm 9

Other cities with similar March weather

🌍 See the full ranked list of climate twins for San Francisco in March →

Frequently asked questions

How hot is San Francisco in March?

In March, San Francisco averages a high of 17°C (63°F) and a low of 10°C (50°F) — generally mild and pleasant.

Does it rain a lot in San Francisco in March?

March can be fairly wet in San Francisco, with about 10 rainy days on average.

Is March a good time to visit San Francisco?

March is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for San Francisco in March?

Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full March packing list for San Francisco for a complete, climate-based checklist.

Open San Francisco on the interactive map

Check the live 10-day forecast and sunrise/sunset.