Climate almanac
Piscataway
New Jersey, United States · 40.50°, -74.40°
What is the weather like in Piscataway in May?
In May, Piscataway is typically 72°F (22°C) during the day and 55°F (13°C) at night. The month brings about 4.5 in (115 mm) of precipitation in total.
- Average high72°F (22°C)
- Average low55°F (13°C)
- Precipitation4.5 in (115 mm)
- Clear or mostly clear days6
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)