McHenry Rainfall Forecast
- 75%
- 85%
- 10%
- 55%
- 35%
- 5%
- 15%
McHenry Rainfall Statistics
December Rainfall
Chicago/Waukegan Regional Airport (21.1 miles)
Total Rainfall December
0.6inDaily Average December
0.03inWettest Day 7 December, 2025
0.2inWet Days December
6/25 (24%)
Climate (2010–Present)
Chicago/Waukegan Regional Airport (21.1 miles)
Annual Average 2020–2024
34.5inMonthly Average 2020–2025
2.7inDaily Average 2020–2025
0.1inWettest Day 23 July, 2022
3.9in