Weather in Fountain Valley in May
Fountain Valley, United States averages a high of 20.8°C (69.4°F) and low of 13.5°C (56.3°F) in May, with 1 rain days and 12.7 hours of daily sunshine. Travel score: 89.1/100 (Excellent). The best time to visit Fountain Valley is July.
High
21°C69°F
Low
14°C56°F
🌧️
1
rain days
☀️
12.7
hrs/day sunshine
💧
74%
humidity
89— Excellent
May in Fountain Valley is mild 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 May?
Fountain Valley receives an average of 8.4mm of rainfall across 1 rainy days in May. The annual total is 295.1mm.
What should I pack for Fountain Valley in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in May?
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