Hawaii Volcanoes National Park Rainfall Forecast

Today 15 Aug
100%
Sun 16 Aug
95%
Mon 17 Aug
30%
Tue 18 Aug
10%
Wed 19 Aug
10%
Thu 20 Aug
20%
Fri 21 Aug
15%

Hawaii Volcanoes National Park Rainfall Statistics

August Rainfall

Hilo, Hilo International Airport (35.4 miles)

Total Rainfall 2026
87.4in
Daily Average 2026
0.4in
Wettest Day 14 March, 2026
5.6in
Wet Days 2026
180/227 (79%)
Total Rainfall July
11.7in
Daily Average July
0.4in
Wettest Day 25 July, 2026
1.5in
Wet Days July
30/31 (97%)
Total Rainfall August
2.7in
Daily Average August
0.2in
Wettest Day 8 August, 2026
0.9in
Wet Days August
11/15 (73%)

Climate (2021–2025)

Hilo, Hilo International Airport (35.4 miles)

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Annual Average 2021–2025
99.9in
Monthly Average 2021–2026
8.4in
Daily Average 2021–2026
0.3in
Wettest Day 18 February, 2023
11.1in

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