San Jose, California weather in July

Averages from 2021–2025 (155 days of record).

Average high: 84°F
Average low: 59°F
Rainy days: ~0 per month
Total precipitation: 0.1 in
Warmest recorded: 107°F
Coldest recorded: 52°F

Expect July days in San Jose, California to top out around 84°F and cool to about 59°F overnight, with roughly 0 days of measurable rain across the month. In recent years July has ranged from 52°F to 107°F.

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Current San Jose, California forecast → · Historical data by Open-Meteo (ERA5).