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The Golden Gate Bridge seen from Marshall's Beach on a sunny day, San Francisco

San Francisco in July

Cool summer fog

By Daan · Last reviewed October 2026

The short answer

July is one of the weakest months in San Francisco.

July is cooler than many visitors expect, with fog and peak summer crowds.

5/10 overall12–19°CHigh crowds$$$$
Weather6/10
Crowds4/10
Prices$$$$
Events4.5/10

July in detail

What July actually feels like

Weather
12–19°C
Cool and foggy, especially near the ocean.
Crowds
High
Peak summer crowds.
Prices
$$$$
High rates.

+Long days.

–Cool, gray and busy.

My tip for July

Bring a warm jacket for the Golden Gate Bridge.

  • Museums
  • Food

How July compares

Against the other eleven months

12th of 12 overall in San Francisco, 8th for weather, 11th for space, 10th for value. The emptiest month is January; the best value is January.

See all twelve months for San Francisco

Plan around

What’s on in San Francisco in July

Summer fog

June–August

Cool, gray days are common near the coast. Bring a warm layer, even in July.

Not set on July?

Months I'd choose over July

Weather

Weather in San Francisco in July

In July San Francisco averages a high of 19°C (66°F) and a low of 12°C (54°F), with about 0 mm of rain or snow over 1 wet days. The warmest month is September (around 21°C) and the coolest is January (around 14°C); the wettest month is December.

Average high
19°C
66°F
Average low
12°C
54°F
Precipitation
0 mm
Wet days
1

Climate data: NOAA (downtown San Francisco, 1991–2020). Temperatures are averages of daily highs and lows.

Quick answers

San Francisco in July: the questions people ask

Is July a good time to visit San Francisco?
July is one of the weakest months in San Francisco. It ranks 12 of 12 months in San Francisco overall (8 for weather, 11 for space, 10 for value). The main upside: Long days. The main downside: Cool, gray and busy.
What is the weather like in San Francisco in July?
Average highs are around 19°C and lows around 12°C. Expect about 0 mm of rain or snow over roughly 1 wet days. Cool and foggy, especially near the ocean. For comparison, the warmest month is September (around 21°C) and the coolest is January (around 14°C).
Is San Francisco crowded in July?
Crowds are high. Peak summer crowds. The quietest month is January.
How expensive is San Francisco in July?
Prices are at level 4 of 5 ($$$$). High rates. The best-value month is January.
When is the best time to visit San Francisco?
In the CrowdFreeViews month scores, September is the best month overall (July ranks 12 of 12). The quietest month is January and the best value is January.

Still going to San Francisco in July?

Book early and plan around the busiest hours — cool, gray and busy.

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