John Day Rainfall Forecast
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John Day Rainfall Statistics
May Rainfall
Grant County Regional Airport (0.6 miles)
Total Rainfall May
–Daily Average May
–Wettest Day 6 May, 2026
–Wet Days May
–
Climate (2010–Present)
Grant County Regional Airport (0.6 miles)
Annual Average 2021–2025
16.5inMonthly Average 2021–2026
1.5inDaily Average 2021–2026
0.1inWettest Day 5 December, 2025
1.2in