Weather in San Jose in August
San Jose, United States averages a high of 28.5°C (83.3°F) and low of 15.3°C (59.5°F) in August, with 0 rain days and 12.9 hours of daily sunshine. Travel score: 99.2/100 (Excellent). The best time to visit San Jose is July.
High
29°C83°F
Low
15°C60°F
🌧️
0
rain days
☀️
12.9
hrs/day sunshine
💧
62%
humidity
99— Excellent
August in San Jose is hot and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in San Jose?
How much does it rain in San Jose in August?
San Jose receives an average of 0.9mm of rainfall across 0 rainy days in August. The annual total is 596.3mm.
What should I pack for San Jose in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
Traveling to United States in August?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31