When to go · San Diego

San Diego in October

Great month. Inside San Diego's best window: Mar–May, Sep–Nov.

Key facts

Verdict: Great
Temperature: 24°C (75°F)75°F (24°C) / 16°C (61°F)61°F (16°C); average high / low
Rain days: 2
Crowds: Medium; United States overall
Prices: Medium; United States overall

Plan around it

Verdict

GreatBest and avoid months for San Diego

Inside San Diego's best window: Mar–May, Sep–Nov.

No other month rates higher than October for San Diego in this guide.

Long-term averages

San DiegoHighs around 24 °C (75 °F), lows around 16 °C (61 °F), rain on about 2 daysHighs around 75 °F (24 °C), lows around 61 °F (16 °C), rain on about 2 days
California coast, United States · San Francisco, Los Angeles, San Diego, Big Surbest weather
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.

United States overall: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.

Weather, crowds and prices for any two months in San Diego, side by side.

First month

Second month

October: Inside San Diego's best window: Mar–May, Sep–Nov.

March: Inside San Diego's best window: Mar–May, Sep–Nov.

San Diego: figures are long-term averages from this guide, not a forecast.

Nothing unusual for the weather this month.