Grangeville Rainfall Forecast

Today 5 Apr
No Rain
Mon 6 Apr
5%
Tue 7 Apr
5%
Wed 8 Apr
10%
Thu 9 Apr
15%
Fri 10 Apr
10%
Sat 11 Apr
25%

Grangeville Rainfall Statistics

April Rainfall

Grangeville - Idaho County Airport (0.6 miles)

Total Rainfall 2026
5.4in
Daily Average 2026
0.1in
Wettest Day 24 February, 2026
0.9in
Wet Days 2026
26/95 (27%)
Total Rainfall March
2.2in
Daily Average March
0.1in
Wettest Day 4 March, 2026
0.6in
Wet Days March
11/31 (35%)
Total Rainfall April
0.5in
Daily Average April
0.2in
Wettest Day 2 April, 2026
0.5in
Wet Days April
2/5 (40%)

Climate (2011–Present)

Grangeville - Idaho County Airport (0.6 miles)

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Annual Average 2021–2025
17.4in
Monthly Average 2021–2026
1.5in
Daily Average 2021–2026
0.1in
Wettest Day 5 May, 2023
3.2in

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