Kailua Kona Rainfall Forecast

Today 13 Sep
40%
Sun 14 Sep
25%
Mon 15 Sep
15%
Tue 16 Sep
35%
Wed 17 Sep
30%
Thu 18 Sep
30%
Fri 19 Sep
35%

Kailua Kona Rainfall Statistics

September Rainfall

Kailua / Kona, Keahole Airport (7.5 miles)

Total Rainfall 2025
9.9in
Daily Average 2025
0.04in
Wettest Day 31 January, 2025
4in
Wet Days 2025
49/256 (19%)
Total Rainfall August
0.3in
Daily Average August
0.01in
Wettest Day 18 August, 2025
0.1in
Wet Days August
3/31 (10%)
Total Rainfall September
0.2in
Daily Average September
0.02in
Wettest Day 1 September, 2025
0.2in
Wet Days September
2/13 (15%)

Climate (2010–Present)

Kailua / Kona, Keahole Airport (7.5 miles)

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Annual Average 2020–2024
11.2in
Monthly Average 2020–2025
0.9in
Daily Average 2020–2025
0.03in
Wettest Day 31 January, 2025
4in

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