Frankfort

What is the climate like in Frankfort?

The best time to visit Frankfort is typically August – September, with trip comfort peaking in September (7.1/10). Frankfort is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically May and the driest is November; the year sees roughly 44 in (1117 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.1/10)
• Warmest monthJuly — average high 84°F (29°C)
• Coolest monthJanuary — average low 21°F (-6°C)
• Wettest monthMay (5.2 in (131 mm))
• Driest monthNovember (2.4 in (61 mm))
• Annual precipitation44 in (1117 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromJoliet, 20 km away (1893-2026)