Kelly Butte Natural Area Rainfall Forecast
- 100%
- 95%
- 65%
- 75%
- 50%
- 40%
- 15%
Kelly Butte Natural Area Rainfall Statistics
December Rainfall
Portland, Portland International Airport (6.8 miles)
Total Rainfall December
7.9inDaily Average December
0.4inWettest Day 18 December, 2025
2.1inWet Days December
13/21 (62%)
Climate (2010–Present)
Portland, Portland International Airport (6.8 miles)
Annual Average 2020–2024
36.8inMonthly Average 2020–2025
3.1inDaily Average 2020–2025
0.1inWettest Day 26 December, 2022
2.1in