San Francisco in July

In July, San Francisco averages 22°C (72°F) during the day and 14°C (57°F) at night, with only about 0 rainy days.

Peak season

Conditions are comfortable for sightseeing without being sweltering. Skies are generally dry and clear.

July is a great month to visit San Francisco: pleasant temperatures and relatively few wet days.

22°C
Avg high
14°C
Avg low
0
Rain days
0 mm
Rainfall

How July compares to the rest of the year in San Francisco

3rd
warmest month of the 12
12th
wettest month of the 12
0%
of yearly rainfall falls in July
14 h 32 min
daylight on the 15th

July is one of the warmest months in San Francisco (3rd of 12) and one of the driest months (12th of 12). Daytime temperature runs 3°C above the annual average (19°C). July runs 1°C warmer than June (21°C) and warms a further 1°C into August (23°C).

July sunrise & sunset in San Francisco

🌅
Sunrise (15th)
5:59 AM
🌇
Sunset (15th)
8:31 PM
Day length
14 h 32 min

Times shown for San Francisco local time (America/Los_Angeles), calculated for the 15th of July. They shift by a few minutes day to day across the month.

Photography light in San Francisco — July

Golden-hour and blue-hour windows for the 15th of July, in San Francisco's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:59 AM – 5:39 AM
🌄 Golden hour (AM)
5:39 AM – 6:39 AM
🌇 Golden hour (PM)
7:51 PM – 8:51 PM
🌆 Blue hour (PM)
8:51 PM – 9:31 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near San Francisco.

📅 When to book — San Francisco in July

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (Peak season) and San Francisco's popularity.

✈ Flights — lead time
4-6 months
Flight prices are near their annual peak. Watch fare-alert tools, book directly when you see a fare under the typical range for this city.
🏨 Lodging — lead time
5-7 months
Boutique hotels and tourist-zone properties fill 6 months out. If you're looking at a specific named hotel or rental, book it the moment you can.

Crowds & pricing — July in San Francisco

Peak season

San Francisco is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.

Why this tier: excellent tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — July in San Francisco

☀️ UV Index (noon, 15th)
12.3
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●○○○
Low
Mosquitoes present but manageable. Pack repellent (DEET 10-20%) for evenings near water.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

San Francisco in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 14°C / 57°F 8°C / 46°F 110 mm 11
February 15°C / 59°F 9°C / 48°F 110 mm 10
March 17°C / 63°F 10°C / 50°F 75 mm 10
April 18°C / 64°F 11°C / 52°F 30 mm 6
May 19°C / 66°F 12°C / 54°F 10 mm 3
June 21°C / 70°F 13°C / 55°F 5 mm 1
July 22°C / 72°F 14°C / 57°F 0 mm 0
August 23°C / 73°F 14°C / 57°F 1 mm 1
September 24°C / 75°F 14°C / 57°F 5 mm 2
October 22°C / 72°F 13°C / 55°F 20 mm 4
November 18°C / 64°F 11°C / 52°F 55 mm 7
December 14°C / 57°F 8°C / 46°F 85 mm 9

Other cities with similar July weather

🌍 See the full ranked list of climate twins for San Francisco in July →

Frequently asked questions

How hot is San Francisco in July?

In July, San Francisco averages a high of 22°C (72°F) and a low of 14°C (57°F) — generally mild and pleasant.

Does it rain a lot in San Francisco in July?

July is generally dry in San Francisco, with about 0 rainy days on average.

Is July a good time to visit San Francisco?

July is mild and pleasant and mostly dry. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for San Francisco in July?

Pack light layers for warm days and cooler evenings. See the full July packing list for San Francisco for a complete, climate-based checklist.

Open San Francisco on the interactive map

Check the live 10-day forecast and sunrise/sunset.