Sumner Lake Rainfall Forecast
- 55%
- 55%
- 70%
- 40%
- 15%
- 20%
- 10%
Sumner Lake Rainfall Statistics
December Rainfall
Copper Harbor (53.4 miles)
Total Rainfall December
0.9inDaily Average December
0.04inWettest Day 20 December, 2025
0.3inWet Days December
13/27 (48%)
Climate (2010–Present)
Copper Harbor (53.4 miles)
Annual Average 2020–2024
26.8inMonthly Average 2020–2025
2.3inDaily Average 2020–2025
0.1inWettest Day 23 July, 2021
2.7in