Wentzville

What is the climate like in Wentzville?

The best time to visit Wentzville is typically September – October, with trip comfort peaking in September (7.4/10). Wentzville is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically May and the driest is December; the year sees roughly 43 in (1093 mm) of precipitation.

• Best time to visitSeptember – October — comfort peaks in September (7.4/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthJanuary — average low 26°F (-3°C)
• Wettest monthMay (5.2 in (132 mm))
• Driest monthDecember (2.1 in (53 mm))
• Annual precipitation43 in (1093 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWarrenton 1 N, 25 km away (1893-2021)