When to go · San Diego
San Diego, month by month
The best months for San Diego: Mar, Apr, May, Sep, Oct, Nov. Months to avoid: Jun.
Month by month
- JanuaryMixedOutside the best window (Mar–May, Sep–Nov). Across United States: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.19 °C / 10 °C, 6 rain days66 °F / 50 °F, 6 rain daysCrowds: Low
- FebruaryMixedOutside the best window (Mar–May, Sep–Nov). Across United States: Still winter north; ski season in the Rockies; Presidents' Day weekend busy. Mardi Gras in New Orleans (date varies).19 °C / 11 °C, 6 rain days66 °F / 52 °F, 6 rain daysCrowds: Low · 1 festival or holiday
- MarchGreatInside San Diego's best window: Mar–May, Sep–Nov.19 °C / 13 °C, 6 rain days66 °F / 55 °F, 6 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside San Diego's best window: Mar–May, Sep–Nov.21 °C / 14 °C, 4 rain days70 °F / 57 °F, 4 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside San Diego's best window: Mar–May, Sep–Nov.21 °C / 16 °C, 2 rain days70 °F / 61 °F, 2 rain daysCrowds: Medium · 1 festival or holiday
- JuneAvoidListed as a month to avoid: Late May–Jun (May Gray, June Gloom); mid-Sep–Oct for wildfire risk.22 °C / 17 °C, 1 rain days72 °F / 63 °F, 1 rain daysCrowds: High
- JulyMixedOutside the best window (Mar–May, Sep–Nov). Across United States: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.Outside the best window (Mar–May, Sep–Nov). Across United States: Peak season: parks full, 4 July crowds, 104 °F+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.24 °C / 19 °C, 1 rain days75 °F / 66 °F, 1 rain daysCrowds: High · 1 festival or holiday
- AugustMixedOutside the best window (Mar–May, Sep–Nov). Across United States: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.25 °C / 19 °C, 1 rain days77 °F / 66 °F, 1 rain daysCrowds: High
- SeptemberGreatInside San Diego's best window: Mar–May, Sep–Nov.25 °C / 19 °C, 1 rain days77 °F / 66 °F, 1 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside San Diego's best window: Mar–May, Sep–Nov.24 °C / 16 °C, 2 rain days75 °F / 61 °F, 2 rain daysCrowds: Medium
- NovemberGreatInside San Diego's best window: Mar–May, Sep–Nov.21 °C / 13 °C, 4 rain days70 °F / 55 °F, 4 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (Mar–May, Sep–Nov). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.19 °C / 10 °C, 6 rain days66 °F / 50 °F, 6 rain daysCrowds: High · 1 festival or holiday