St. Charles

What is the climate like in St. Charles?

The best time to visit St. Charles is typically October, the year's most comfortable month (6.8/10). St. Charles is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 33°F (0°C). The wettest month is typically July and the driest is November; the year sees roughly 45 in of precipitation.

• Best time to visitOctober — the year's comfort peak (6.8/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthJanuary — average low 33°F (0°C)
• Wettest monthJuly (5.5 in)
• Driest monthNovember (2.5 in)
• Annual precipitation45 in