Weather in San Francisco in July 2025
Average weather
Average temperature in San Francisco in July
Going from a maximum of +84°F during the day to a minimum of +54°F during the night, the temperature in July averages around +73°F.
The average maximum temperature goes down 35% by the end of the month, compared with the beginning of the month, from +84°F to +73°F.
Is San Francisco warm or cold in July?
San Francisco is typically warm in July.
Maximum temperatures go up compared to the previous month from +73°F to +73°F. The minimum temperature also goes up from +55°F to +55°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is one of the warmest months in San Francisco, here is the comparison with other months:
Water temperature in San Francisco in July
Water in San Francisco in July is Cold. It varies from +52°F to +58°F, with an average of +55°F. The air temperature averaging +73°F is higher than the water temperature.
In July, water temperatures are average relative to the rest of the year:
Can you swim in San Francisco in July?
Climate in San Francisco in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +73°F | +73°F | +75°F | ||||
| Min. temperature | ||||||
| +46°F | +50°F | +50°F | ||||
| Max. temperature | ||||||
| +97°F | +95°F | +93°F | ||||
| Rainfall | ||||||
| 3 mm | 0 mm | 1 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +52°F | +55°F | +56°F | ||||
| Humidity | ||||||
| 79% | 82% | 83% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 11 | 7 | 6 | ||||
| Cloudy days | ||||||
| 17 | 23 | 24 | ||||
| Rainy days | ||||||
| 1 | 0 | 0 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. The temperature levels stay the same in the area of +73°F for average maximum temperature during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 3 mm to 0 mm. Humidity rises from 79% to 82%. The average wind speed doesn’t change much during July, staying around 3 m/s. The days becoming less sunny, going from 11 sunny days in June to 7 in July.
August brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Francisco is gradually decreasing during July, going from 2 m/s to 1 m/s over the course of the month.
How was the weather last July in San Francisco?
Climate Change Over the Years
The climate in San Francisco in July has not changed that much over the last 43 years.
The average temperature was the lowest in 1982 (+65°F) and the highest in 2014 (+70°F). The driest year was 2013 with only 127 mm of rainfall, and the wettest year was 1983 with 1162 mm.
FAQ
Is July a good time to visit San Francisco?
Can you sunbathe in San Francisco in July?
Can you swim in San Francisco in July?
Is San Francisco rainy in July?
Is it sunny in San Francisco in July?
Other cities in USA
Monthly weather in San Francisco
Source of the data
For this page, we’ve looked at the typical weather in San Francisco, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.