Big Island Rainfall Forecast

Today 20 May
15%
Wed 21 May
30%
Thu 22 May
5%
Fri 23 May
5%
Sat 24 May
10%
Sun 25 May
15%
Mon 26 May
30%

Big Island Rainfall Statistics

May Rainfall

Lancaster County-mc Whirter Field (11.2 miles)

Total Rainfall 2025
43.9in
Daily Average 2025
0.3in
Wettest Day 18 February, 2025
9.2in
Wet Days 2025
44/140 (31%)
Total Rainfall April
0.6in
Daily Average April
0.02in
Wettest Day 11 April, 2025
0.1in
Wet Days April
12/30 (40%)
Total Rainfall May
0.8in
Daily Average May
0.05in
Wettest Day 3 May, 2025
0.4in
Wet Days May
9/20 (45%)

Climate (2010–Present)

Lancaster County-mc Whirter Field (11.2 miles)

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Annual Average 2020–2024
48in
Monthly Average 2020–2025
4.6in
Daily Average 2020–2025
0.2in
Wettest Day 8 March, 2021
11.6in

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