Weather in San Bernardino in March
San Bernardino, United States averages a high of 19.8°C (67.6°F) and low of 7.4°C (45.3°F) in March, with 6 rain days and 10.8 hours of daily sunshine. Travel score: 82.6/100 (Excellent). The best time to visit San Bernardino is June.
High
20°C68°F
Low
7°C45°F
🌧️
6
rain days
☀️
10.8
hrs/day sunshine
💧
64%
humidity
83— Excellent
March in San Bernardino is mild and mostly dry — excellent conditions for exploring.
What are the average temperatures in San Bernardino?
How much does it rain in San Bernardino in March?
San Bernardino receives an average of 50.3mm of rainfall across 6 rainy days in March. The annual total is 362.8mm.
What should I pack for San Bernardino in March?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
Recommended
🧥
Evening jacket or cardigan
Temperature drops 12°C from day to night
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in March?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare San Bernardino
Popular comparisons:
How can I plan my trip to San Bernardino?
What other cities are near San Bernardino?
What are other popular cities in United States?
What is the weather like in other months in San Bernardino?
Data based on 1994–2024 averages · Last updated: 2024-12-31