St Charles Rainfall Forecast
- No Rain
- 55%
- 70%
- 15%
- 35%
- 70%
- 50%
St Charles Rainfall Statistics
May Rainfall
St. Louis Lambert International Airport (7.5 miles)
Total Rainfall May
1inDaily Average May
0.1inWettest Day 5 May, 2026
0.6inWet Days May
5/14 (36%)
Climate (2010–Present)
St. Louis Lambert International Airport (7.5 miles)
Annual Average 2021–2025
42.5inMonthly Average 2021–2026
3.6inDaily Average 2021–2026
0.1inWettest Day 26 July, 2022
8.6in