Weather in Castro Valley in July
Castro Valley, United States averages a high of 25°C (77°F) and low of 13.8°C (56.8°F) in July, with 0 rain days and 13.5 hours of daily sunshine. Travel score: 95.1/100 (Excellent). The best time to visit Castro Valley is September.
High
25°C77°F
Low
14°C57°F
🌧️
0
rain days
☀️
13.5
hrs/day sunshine
💧
70%
humidity
95— Excellent
July in Castro Valley is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Castro Valley?
How much does it rain in Castro Valley in July?
Castro Valley receives an average of 0.8mm of rainfall across 0 rainy days in July. The annual total is 505.6mm.
What should I pack for Castro Valley in July?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
14 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in July?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31