Climate almanac
San Bernardino
California, United States · 34.11°, -117.29°
What is the weather like in San Bernardino in May?
In May, San Bernardino is typically 75°F (24°C) during the day and 54°F (12°C) at night. The month brings about 0.6 in (16 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low54°F (12°C)
- Precipitation0.6 in (16 mm)
- Clear or mostly clear days20
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)