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United StatesThe weather in July in San Francisco
It's pleasantly warm in July in San Francisco with an average temperature of 22°C. Temperatures this month range from a low of 21°C to a high of 23°C. At night, you can expect temperatures between 14°C and 15°C.
Looking for great weather? July is a good time to be in San Francisco. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for San Francisco, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2014, San Francisco reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 16°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 19°C.
Rainfall amount
According to weather history, there is only 0,2 mm of precipitation in July. The wind speed is around 5 Bft, mostly coming from the West.
Daily weather in July for San Francisco
Click on any day in July to get detailed info about the usual weather on that day in San Francisco. Check out the historical temperatures and precipitation over the past 10 years on this day.
July weather comparison
| San Francisco | New York | |
|---|---|---|
| Average temperature | 22°C | 31°C |
| Max. temperature | 23°C | 33°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 0,2 mm | 160 mm |
| Rainy days | 1 day | 18 days |
Start of July
The month of July starts in San Francisco with warm temps, averaging around 22°C during the day and nights around 15°C.
Mid July
By mid-July, daytime temps rise to around 23°C, with nights around 15°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of July
By the end of July, the average daytime temperature in San Francisco is around 23°C, while nighttime temps are about 15°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
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Temperature charts
These charts show the average temperatures in July in San Francisco, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in San Francisco
Temperature in July in San Francisco over the years
Precipitation charts
These charts show the average amount of precipitation in July in San Francisco, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in July in San Francisco
Total precipitation in July in San Francisco over the years
Daily UV index in July in San Francisco
This chart shows the average daily UV index in July in San Francisco, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in July in San Francisco
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Average weather in San Francisco by month
Click on a month below to see detailed weather info for San Francisco. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.