Climate almanac
Princeton
Illinois, United States · 41.37°, -89.46°
What is the weather like in Princeton in May?
In May, Princeton is typically 74°F (23°C) during the day and 54°F (12°C) at night. The month brings about 4.9 in (125 mm) of precipitation in total.
- Average high74°F (23°C)
- Average low54°F (12°C)
- Precipitation4.9 in (125 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)