Temperatures in July
It's hot in July in San Francisco with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 24°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Francisco in July. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of July
The month of July starts in San Francisco with hot temperatures, averaging around 32°C during the day and nights close to 25°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-July
By mid-July, the average daytime temperature stays the same at 32°C, with nights close to 25°C. There might be a few showers during this period, but plenty of dry days with sunshine too. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of July
By the end of July, the average daytime temperature in San Francisco will be around 33°C, with nights close to 25°C. A shower might show up, but overall the weather will be dry and sunny. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Precipitation in July
In July, there is an average of 109 mm of precipitation, spread over 19 days. The wind speed is around 4 Bft, mostly coming from the East.
The average precipitation chance this month is 63% per day.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in July for San Francisco. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Francisco in July |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 23°C | |
 High Temp |
33°C | 27°C | |
| Low Temp |
31°C | 21°C | |
 Total Precipitation |
109 mm | 52 mm | |
| Rainy Days |
19 days | 9 days | |
June
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit San Francisco?
After some sun? Then July isn’t the best time to be in San Francisco. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in San Francisco runs from June to November.
Temperature records for San Francisco in July
With 36°C, San Francisco hit the highest temperature in the last 10 years in July 2014. The lowest daytime temperature in this month was 26°C in 2021. The extreme night temperatures ranged from a low of 22°C to a high of 27°C.
Check out the climate of San Francisco for all months and discover the best travel time
Daily Temperature in July in San Francisco
This chart shows the average daily temperatures, both day and night, for each day in July in San Francisco, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in San Francisco
The chart below shows the average daily precipitation in July for San Francisco, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect around 19 days of rain in San Francisco.
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.
Temperature in July in San Francisco Over the Years
This chart shows the average temperature in July in San Francisco, measured in degrees Celsius, over the past years.
Total Precipitation in July in San Francisco Over the Years
This chart shows the average precipitation in July in San Francisco, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for San Francisco
Click on a specific day in July for detailed info on the typical weather on that day in San Francisco. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in San Francisco
Have you been to San Francisco in July?
Share your weather experience in July in San Francisco.
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.
Or check out the climate of San Francisco for all months at once
