Koili Point Rainfall Forecast

Today 15 May
90%
Sat 16 May
80%
Sun 17 May
60%
Mon 18 May
60%
Tue 19 May
60%
Wed 20 May
60%
Thu 21 May
35%

Koili Point Rainfall Statistics

May Rainfall

Hilo, Hilo International Airport (5 miles)

Total Rainfall 2026
48.9in
Daily Average 2026
0.4in
Wettest Day 14 March, 2026
5.6in
Wet Days 2026
96/135 (71%)
Total Rainfall April
7in
Daily Average April
0.2in
Wettest Day 7 April, 2026
2.2in
Wet Days April
20/30 (67%)
Total Rainfall May
3.4in
Daily Average May
0.3in
Wettest Day 1 May, 2026
0.7in
Wet Days May
11/15 (73%)

Climate (2010–Present)

Hilo, Hilo International Airport (5 miles)

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Annual Average 2021–2025
99.9in
Monthly Average 2021–2026
8.1in
Daily Average 2021–2026
0.3in
Wettest Day 18 February, 2023
11.1in

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