When to go · San Francisco
San Francisco, month by month
The best months for San Francisco: Sep, Oct. Months to avoid: Jan, Feb, Jun, Jul, Aug.
Month by month
- JanuaryAvoidListed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).14 °C / 7 °C, 11 rain days57 °F / 45 °F, 11 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).16 °C / 8 °C, 10 rain days61 °F / 46 °F, 10 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.17 °C / 9 °C, 8 rain days63 °F / 48 °F, 8 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (Sep–Oct). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.18 °C / 10 °C, 4 rain days64 °F / 50 °F, 4 rain daysCrowds: Medium · 1 festival or holiday
- MayGoodOutside the best window (Sep–Oct). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.20 °C / 12 °C, 2 rain days68 °F / 54 °F, 2 rain daysCrowds: Medium · 1 festival or holiday
- JuneAvoidListed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).21 °C / 14 °C, 1 rain days70 °F / 57 °F, 1 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).22 °C / 15 °C, 0 rain days72 °F / 59 °F, 0 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).22 °C / 15 °C, 0 rain days72 °F / 59 °F, 0 rain daysCrowds: High
- SeptemberGreatInside San Francisco's best window: Sep–Oct.24 °C / 15 °C, 1 rain days75 °F / 59 °F, 1 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside San Francisco's best window: Sep–Oct.22 °C / 13 °C, 3 rain days72 °F / 55 °F, 3 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.18 °C / 10 °C, 7 rain days64 °F / 50 °F, 7 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (Sep–Oct). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.14 °C / 7 °C, 11 rain days57 °F / 45 °F, 11 rain daysCrowds: High · 1 festival or holiday