Onomea Bay Rainfall Forecast

Today 27 Sep
95%
Mon 28 Sep
30%
Tue 29 Sep
35%
Wed 30 Sep
40%
Thu 1 Oct
40%
Fri 2 Oct
40%
Sat 3 Oct
40%

Onomea Bay Rainfall Statistics

September Rainfall

Hilo, Hilo International Airport (6.2 miles)

Total Rainfall 2026
119.2in
Daily Average 2026
0.4in
Wettest Day 15 August, 2026
6.8in
Wet Days 2026
219/270 (81%)
Total Rainfall August
21in
Daily Average August
0.7in
Wettest Day 15 August, 2026
6.8in
Wet Days August
27/31 (87%)
Total Rainfall September
13.5in
Daily Average September
0.5in
Wettest Day 10 September, 2026
1.8in
Wet Days September
23/27 (85%)

Climate (2021–2025)

Hilo, Hilo International Airport (6.2 miles)

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Annual Average 2021–2025
99.9in
Monthly Average 2021–2026
8.6in
Daily Average 2021–2026
0.3in
Wettest Day 18 February, 2023
11.1in

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