Weather in San Jose in July 2026
Average weather
Average temperature in San Jose in July
Going from a maximum of +99°F during the day to a minimum of +54°F during the night, the temperature in July averages around +88°F.
The average maximum temperature goes down 24% by the end of the month, compared with the beginning of the month, from +99°F to +88°F.
Is San Jose warm or cold in July?
San Jose is typically warm in July.
Maximum temperatures go up compared to the previous month from +79°F to +82°F. The minimum temperature also goes up from +55°F to +59°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is one of the warmest months in San Jose, here is the comparison with other months:
Climate in San Jose in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +79°F | +82°F | +82°F | ||||
| Min. temperature | ||||||
| +43°F | +48°F | +50°F | ||||
| Max. temperature | ||||||
| +104°F | +106°F | +104°F | ||||
| Rainfall | ||||||
| 9 mm | 29 mm | 10 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 63% | 64% | 66% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 15 | 17 | 15 | ||||
| Cloudy days | ||||||
| 13 | 13 | 15 | ||||
| Rainy days | ||||||
| 2 | 1 | 1 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as great as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +79°F to +82°F during the day. Prepare for more rain. Average rainfall goes from 9 mm to 29 mm. Humidity rises from 63% to 64%. The average wind speed doesn’t change much during July, staying around 2 m/s. The good news is there are likely to be more sunny days in July, from 15 to 17.
August brings much the same weather, it remains great.
Wind
The average wind speed is 5 m/s getting up to 11 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in San Jose is gradually increasing during July, going from 1 m/s to 8 m/s over the course of the month.
How was the weather last July in San Jose?
Climate Change Over the Years
The climate in San Jose in July has not changed that much over the last 43 years.
The average temperature was the lowest in 1982 (+67°F) and the highest in 2024 (+75°F). The driest year was 2013 with only 147 mm of rainfall, and the wettest year was 2020 with 4306 mm.
FAQ
Is July a good time to visit San Jose?
Can you sunbathe in San Jose in July?
Is San Jose rainy in July?
Is it sunny in San Jose in July?
Other cities in USA
Monthly weather in San Jose
Source of the data
For this page, we’ve looked at the typical weather in San Jose, 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.
