Haleakala National Park Rainfall Forecast

Today 15 May
80%
Sat 16 May
50%
Sun 17 May
25%
Mon 18 May
25%
Tue 19 May
30%
Wed 20 May
30%
Thu 21 May
5%

Haleakala National Park Rainfall Statistics

May Rainfall

Kahului, Kahului Airport (22.4 miles)

Total Rainfall 2026
26.6in
Daily Average 2026
0.2in
Wettest Day 13 March, 2026
7.3in
Wet Days 2026
40/135 (30%)
Total Rainfall April
1.5in
Daily Average April
0.1in
Wettest Day 12 April, 2026
0.8in
Wet Days April
6/30 (20%)
Total Rainfall May
0.02in
Daily Average May
0in
Wettest Day 9 May, 2026
0.02in
Wet Days May
1/15 (7%)

Climate (2010–Present)

Kahului, Kahului Airport (22.4 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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