Umatilla Rainfall Forecast
- 30%
- 40%
- No Rain
- 30%
- 30%
- 30%
- 25%
Umatilla Rainfall Statistics
December Rainfall
Hermiston, Hermiston Municipal Airport (6.8 miles)
Total Rainfall December
–Daily Average December
–Wettest Day 1 December, 2025
–Wet Days December
–
Climate (2010–Present)
Hermiston, Hermiston Municipal Airport (6.8 miles)
Annual Average 2020–2024
8.2inMonthly Average 2020–2025
0.8inDaily Average 2020–2025
0.03inWettest Day 5 May, 2024
1.1in