Weather in San Bernardino in April
San Bernardino, United States averages a high of 22.5°C (72.5°F) and low of 9.3°C (48.7°F) in April, with 4 rain days and 11.8 hours of daily sunshine. Travel score: 89.6/100 (Excellent). The best time to visit San Bernardino is June.
High
23°C73°F
Low
9°C49°F
🌧️
4
rain days
☀️
11.8
hrs/day sunshine
💧
60%
humidity
90— Excellent
April in San Bernardino is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in San Bernardino?
How much does it rain in San Bernardino in April?
San Bernardino receives an average of 26.8mm of rainfall across 4 rainy days in April. The annual total is 362.8mm.
What should I pack for San Bernardino in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 23°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
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