Diamond Head - Kapahulu - St. Louis Rainfall Forecast

Today 25 Sep
30%
Sat 26 Sep
40%
Sun 27 Sep
15%
Mon 28 Sep
10%
Tue 29 Sep
20%
Wed 30 Sep
25%
Thu 1 Oct
25%

Diamond Head - Kapahulu - St. Louis Rainfall Statistics

September Rainfall

Daniel K Inouye International Airport (9.9 miles)

Total Rainfall 2026
22.4in
Daily Average 2026
0.1in
Wettest Day 13 March, 2026
5.5in
Wet Days 2026
55/268 (21%)
Total Rainfall August
0.9in
Daily Average August
0.03in
Wettest Day 16 August, 2026
0.9in
Wet Days August
2/31 (6%)
Total Rainfall September
0.3in
Daily Average September
0.01in
Wettest Day 2 September, 2026
0.2in
Wet Days September
4/25 (16%)

Climate (2021–2025)

Daniel K Inouye International Airport (9.9 miles)

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Annual Average 2021–2025
14.8in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 6 December, 2021
7.9in

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