Climate almanac
Princeton
New Jersey, United States · 40.35°, -74.66°
What is the weather like in Princeton in July?
In July, Princeton is typically 87°F (31°C) during the day and 71°F (21°C) at night. The month brings about 5.3 in (135 mm) of precipitation in total.
- Average high87°F (31°C)
- Average low71°F (21°C)
- Precipitation5.3 in (135 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)