Supai Rainfall Forecast

Today 16 Aug
No Rain
Mon 17 Aug
No Rain
Tue 18 Aug
No Rain
Wed 19 Aug
5%
Thu 20 Aug
15%
Fri 21 Aug
45%
Sat 22 Aug
40%

Supai Rainfall Statistics

August Rainfall

Grand Canyon National Park Airport (35.4 miles)

Total Rainfall 2026
7in
Daily Average 2026
0.03in
Wettest Day 11 August, 2026
1.1in
Wet Days 2026
34/228 (15%)
Total Rainfall July
2.1in
Daily Average July
0.1in
Wettest Day 19 July, 2026
0.7in
Wet Days July
11/31 (35%)
Total Rainfall August
2in
Daily Average August
0.1in
Wettest Day 11 August, 2026
1.1in
Wet Days August
4/16 (25%)

Climate (2021–2025)

Grand Canyon National Park Airport (35.4 miles)

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Annual Average 2021–2025
12.8in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 18 August, 2022
1.4in

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