Helmar Rainfall Forecast
- 100%
- 45%
- 10%
- 5%
- 10%
- 5%
- 10%
Helmar Rainfall Statistics
December Rainfall
Joliet Regional Airport (15.5 miles)
Total Rainfall December
0.3inDaily Average December
0.02inWettest Day 9 December, 2025
0.1inWet Days December
4/18 (22%)
Climate (2010–Present)
Joliet Regional Airport (15.5 miles)
Annual Average 2020–2024
36.2inMonthly Average 2020–2025
3.1inDaily Average 2020–2025
0.1inWettest Day 6 September, 2023
4.4in