Temperature
Coldest month: January
Average maximum temperature: 46F / 8C
Average minimum temperature: 20F / 6C
Hottest month: July
Average maximum temperature: 89F / 33C
Average minimum temperature: 64F / 18C
Precipitation
Dryest month: October
Normal: 2.4 In
Wettest month: May
Normal: 5.0 In
Annual average: 46 In (rain) Sources: Missouri Department of Economic Development; Office of Social and Economic Data Analysis;