Princeton

What is the climate like in Princeton?

The best time to visit Princeton is typically August – September, with trip comfort peaking in September (7.3/10). Princeton is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically May and the driest is November; the year sees roughly 41 in (1031 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.3/10)
• Warmest monthJuly — average high 85°F (29°C)
• Coolest monthJanuary — average low 20°F (-7°C)
• Wettest monthMay (4.9 in (125 mm))
• Driest monthNovember (2.0 in (51 mm))
• Annual precipitation41 in (1031 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPrinceton, 1 km away (1987-2024)