Climate almanac
Hercules
California, United States · 38.02°, -122.29°
What is the weather like in Hercules in May?
In May, Hercules is typically 76°F (24°C) during the day and 52°F (11°C) at night. The month brings about 0.7 in (17 mm) of precipitation in total.
- Average high76°F (24°C)
- Average low52°F (11°C)
- Precipitation0.7 in (17 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)