Sumner Rainfall Forecast
- 95%
- 25%
- 95%
- 95%
- 90%
- 30%
- 20%
Sumner Rainfall Statistics
January Rainfall
Portland, Portland International Airport (3.1 miles)
Total Rainfall January
0.5inDaily Average January
0.2inWettest Day 1 January, 2026
0.4inWet Days January
2/4 (50%)
Climate (2010–Present)
Portland, Portland International Airport (3.1 miles)
Annual Average 2021–2025
37.4inMonthly Average 2021–2025
3.1inDaily Average 2021–2026
0.1inWettest Day 26 December, 2022
2.1in