Weather in Rialto in April
Rialto, United States averages a high of 22°C (71.6°F) and low of 9.1°C (48.4°F) in April, with 4 rain days and 11.8 hours of daily sunshine. Travel score: 88.7/100 (Excellent). The best time to visit Rialto is June.
High
22°C72°F
Low
9°C48°F
🌧️
4
rain days
☀️
11.8
hrs/day sunshine
💧
61%
humidity
89— Excellent
April in Rialto is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Rialto?
How much does it rain in Rialto in April?
Rialto receives an average of 28.2mm of rainfall across 4 rainy days in April. The annual total is 400.2mm.
What should I pack for Rialto in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 22°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
🎉Visiting United States in April?
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Data based on 1994–2024 averages · Last updated: 2024-12-31