Climate almanac
New Castle
Pennsylvania, United States · 41.00°, -80.35°
What is the weather like in New Castle in May?
In May, New Castle is typically 71°F (22°C) during the day and 52°F (11°C) at night. The month brings about 5.4 in (138 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low52°F (11°C)
- Precipitation5.4 in (138 mm)
- Clear or mostly clear days6
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)