Weather in Fountain Valley in October
Fountain Valley, United States averages a high of 23.6°C (74.5°F) and low of 15°C (59°F) in October, with 2 rain days and 10.4 hours of daily sunshine. Travel score: 92.7/100 (Excellent). The best time to visit Fountain Valley is July.
High
24°C74°F
Low
15°C59°F
🌧️
2
rain days
☀️
10.4
hrs/day sunshine
💧
73%
humidity
93— Excellent
October in Fountain Valley is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Fountain Valley?
How much does it rain in Fountain Valley in October?
Fountain Valley receives an average of 14mm of rainfall across 2 rainy days in October. The annual total is 295.1mm.
What should I pack for Fountain Valley in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in October?
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