Climate almanac
Heidelberg
Gauteng, South Africa · -26.50°, 28.36°
What is the weather like in Heidelberg in May?
In May, Heidelberg is typically 70°F (21°C) during the day and 44°F (7°C) at night. The month brings about 0.8 in (20 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low44°F (7°C)
- Precipitation0.8 in (20 mm)
- Clear or mostly clear days25
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)