Grangeville Rainfall Forecast

Today 27 May
No Rain
Wed 28 May
No Rain
Thu 29 May
25%
Fri 30 May
No Rain
Sat 31 May
10%
Sun 1 Jun
20%
Mon 2 Jun
55%

Grangeville Rainfall Statistics

May Rainfall

Grangeville - Idaho County Airport (0.6 miles)

Total Rainfall 2025
7.1in
Daily Average 2025
0.1in
Wettest Day 4 February, 2025
0.7in
Wet Days 2025
43/147 (29%)
Total Rainfall April
1.4in
Daily Average April
0.1in
Wettest Day 12 April, 2025
0.5in
Wet Days April
8/30 (27%)
Total Rainfall May
2.4in
Daily Average May
0.1in
Wettest Day 11 May, 2025
0.5in
Wet Days May
9/27 (33%)

Climate (2011–Present)

Grangeville - Idaho County Airport (0.6 miles)

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Annual Average 2020–2024
17.2in
Monthly Average 2020–2025
1.4in
Daily Average 2020–2025
0.05in
Wettest Day 5 May, 2023
3.2in

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