San Island Rainfall Forecast

Today 19 Aug
70%
Thu 20 Aug
40%
Fri 21 Aug
70%
Sat 22 Aug
55%
Sun 23 Aug
85%
Mon 24 Aug
65%
Tue 25 Aug
30%

San Island Rainfall Statistics

August Rainfall

Klawock - Klawock Airport (53.4 miles)

Total Rainfall 2026
36.7in
Daily Average 2026
0.2in
Wettest Day 9 January, 2026
1.9in
Wet Days 2026
141/231 (61%)
Total Rainfall July
4.8in
Daily Average July
0.2in
Wettest Day 6 July, 2026
0.9in
Wet Days July
17/31 (55%)
Total Rainfall August
0.1in
Daily Average August
0.01in
Wettest Day 2 August, 2026
0.1in
Wet Days August
4/19 (21%)

Climate (2021–2025)

Klawock - Klawock Airport (53.4 miles)

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Annual Average 2021–2025
73.2in
Monthly Average 2021–2026
6in
Daily Average 2021–2026
0.2in
Wettest Day 4 September, 2022
2.4in

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