Canyon Ferry Lake Rainfall Forecast
- 85%
- 5%
- 35%
- 45%
- 15%
- 25%
- 10%
Canyon Ferry Lake Rainfall Statistics
December Rainfall
Helena Regional Airport (25.5 miles)
Total Rainfall December
0.5inDaily Average December
0.03inWettest Day 12 December, 2025
0.2inWet Days December
9/19 (47%)
Climate (2010–Present)
Helena Regional Airport (25.5 miles)
Annual Average 2020–2024
10.5inMonthly Average 2020–2025
0.9inDaily Average 2020–2025
0.03inWettest Day 22 September, 2023
1.3in