Koolau Forest Reserve Rainfall Forecast

Today 6 Jun
55%
Sun 7 Jun
65%
Mon 8 Jun
60%
Tue 9 Jun
55%
Wed 10 Jun
35%
Thu 11 Jun
35%
Fri 12 Jun
20%

Koolau Forest Reserve Rainfall Statistics

June Rainfall

Kahului, Kahului Airport (17.4 miles)

Total Rainfall 2026
27.2in
Daily Average 2026
0.2in
Wettest Day 13 March, 2026
7.3in
Wet Days 2026
46/157 (29%)
Total Rainfall May
0.5in
Daily Average May
0.01in
Wettest Day 16 May, 2026
0.3in
Wet Days May
5/31 (16%)
Total Rainfall June
0.2in
Daily Average June
0.1in
Wettest Day 1 June, 2026
0.1in
Wet Days June
2/6 (33%)

Climate (2010–Present)

Kahului, Kahului Airport (17.4 miles)

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Annual Average 2021–2025
12.3in
Monthly Average 2021–2026
1.2in
Daily Average 2021–2026
0.04in
Wettest Day 13 March, 2026
7.3in

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