Climate almanac
Princeton
Indiana, United States · 38.36°, -87.57°
What is the climate like in Princeton?
The best time to visit Princeton is typically August – October, with trip comfort peaking in September (7.4/10). Princeton is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 28°F (-2°C). The wettest month is typically March and the driest is September; the year sees roughly 50 in (1271 mm) of precipitation.
- Best time to visitAugust – October — comfort peaks in September (7.4/10)
- Warmest monthJuly — average high 88°F (31°C)
- Coolest monthJanuary — average low 28°F (-2°C)
- Wettest monthMarch (5.7 in (145 mm))
- Driest monthSeptember (2.9 in (73 mm))
- Annual precipitation50 in (1271 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records from1 Wsw Princeton, 2 km away (1893-2026)