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When to go · San Francisco

San Francisco in June

Avoid month. Listed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).

Key facts

Verdict
Avoid
Temperature
21°C (70°F) / 14°C (57°F)
average high / low
Rain days
1
Crowds
High
United States overall
Prices
High
United States overall

Verdict

AvoidBest and avoid months for San Francisco

Listed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).

Is another month better than June?

June is rated avoid. These months rate higher:

Weather in June

Long-term averages
  • San FranciscoHighs around 21 °C (70 °F), lows around 14 °C (57 °F), rain on about 1 day
  • 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.

Crowds and prices

Crowds · United States overall
High
Prices · United States overall
High

United States overall: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.

High-price month: see what to book ahead.

Compare two months

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

  • Verdict

    Jun: Avoid

    Sep: Great (better)

  • Daytime high

    Jun: 21 °C (70 °F)

    Sep: 24 °C (75 °F)

  • Night low

    Jun: 14 °C (57 °F)

    Sep: 15 °C (59 °F)

  • Rain days

    Jun: 1

    Sep: 1

  • Crowds

    Jun: High

    Sep: Medium

  • Prices

    Jun: High

    Sep: Medium

  • Festivals listed

    Jun: 0

    Sep: 1

June: Listed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).

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

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Across United States in June →