When to go · San Francisco
San Francisco in March
Good month. Outside the best window (Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
Key facts
- Verdict
- Good
- Temperature
- 17°C (63°F)63°F (17°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Outside the best window (Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
Is another month better than March?
March is rated good. These months rate higher:
Weather in March
- San FranciscoHighs around 17 °C (63 °F), lows around 9 °C (48 °F), rain on about 8 daysHighs around 63 °F (17 °C), lows around 48 °F (9 °C), rain on about 8 days
- California coast, United States · San Francisco, Los Angeles, San Diego, Big Surfine
Mild all year; San Francisco is foggy and cool in summer; wildfire smoke possible June–November; winter storms can close Highway 1 at Big Sur.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Mardi Gras (New Orleans) big impact
Feb or Mar (varies) · United States
New Orleans hotels triple in price and sell out.
Spring break big impact
March–April · United States
Students fill Florida, Texas and Mexico beaches; parks busy.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Spring break fills Florida beaches and parks; the desert parks come into season.
Compare two months
Weather, crowds and prices for any two months in San Francisco, side by side.
Verdict
Mar: Good
Sep: Great (better)
Daytime high
Mar: 17 °C (63 °F)63 °F (17 °C)
Sep: 24 °C (75 °F)75 °F (24 °C)
Night low
Mar: 9 °C (48 °F)48 °F (9 °C)
Sep: 15 °C (59 °F)59 °F (15 °C)
Rain days
Mar: 8
Sep: 1 (better)
Crowds
Mar: Medium
Sep: Medium
Prices
Mar: Medium
Sep: Medium
Festivals listed
Mar: 2
Sep: 1
March: Outside the best window (Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.
September: Inside San Francisco's best window: Sep–Oct.
San Francisco: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings