Weather in Simi Valley in April
Simi Valley, United States averages a high of 22°C (71.6°F) and low of 10.1°C (50.2°F) in April, with 3 rain days and 11.9 hours of daily sunshine. Travel score: 89.8/100 (Excellent). The best time to visit Simi Valley is August.
High
22°C72°F
Low
10°C50°F
🌧️
3
rain days
☀️
11.9
hrs/day sunshine
💧
63%
humidity
90— Excellent
April in Simi Valley is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Simi Valley?
How much does it rain in Simi Valley in April?
Simi Valley receives an average of 22.5mm of rainfall across 3 rainy days in April. The annual total is 375.5mm.
What should I pack for Simi Valley 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
Traveling to United States in April?
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