Wainaku Rainfall Forecast

Today 12 Aug
50%
Thu 13 Aug
45%
Fri 14 Aug
90%
Sat 15 Aug
90%
Sun 16 Aug
80%
Mon 17 Aug
70%
Tue 18 Aug
70%

Wainaku Rainfall Statistics

August Rainfall

Hilo, Hilo International Airport (2.5 miles)

Total Rainfall 2026
87.2in
Daily Average 2026
0.4in
Wettest Day 14 March, 2026
5.6in
Wet Days 2026
178/224 (79%)
Total Rainfall July
11.7in
Daily Average July
0.4in
Wettest Day 25 July, 2026
1.5in
Wet Days July
30/31 (97%)
Total Rainfall August
2.5in
Daily Average August
0.2in
Wettest Day 8 August, 2026
0.9in
Wet Days August
9/12 (75%)

Climate (2021–2025)

Hilo, Hilo International Airport (2.5 miles)

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Annual Average 2021–2025
99.9in
Monthly Average 2021–2026
8.4in
Daily Average 2021–2026
0.3in
Wettest Day 18 February, 2023
11.1in

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