Prosser Rainfall Forecast
- No Rain
- No Rain
- 5%
- 40%
- 40%
- 30%
- 30%
Prosser Rainfall Statistics
December Rainfall
Sunnyside Municipal Airport (12.4 miles)
Total Rainfall December
1.2inDaily Average December
0.1inWettest Day 18 December, 2025
0.7inWet Days December
8/29 (28%)
Climate (2015–Present)
Sunnyside Municipal Airport (12.4 miles)
Annual Average 2020–2024
22.1inMonthly Average 2020–2025
2inDaily Average 2020–2025
0.1inWettest Day 7 June, 2023
3.6in