Umak Island Rainfall Forecast

Today 16 Aug
45%
Sun 17 Aug
70%
Mon 18 Aug
30%
Tue 19 Aug
35%
Wed 20 Aug
50%
Thu 21 Aug
60%
Fri 22 Aug
55%

Umak Island Rainfall Statistics

August Rainfall

Adak Island, Adak Airport (80.8 miles)

Total Rainfall 2025
21.6in
Daily Average 2025
0.1in
Wettest Day 9 February, 2025
1.4in
Wet Days 2025
126/228 (55%)
Total Rainfall July
0.5in
Daily Average July
0.02in
Wettest Day 31 July, 2025
0.3in
Wet Days July
3/31 (10%)
Total Rainfall August
1.3in
Daily Average August
0.1in
Wettest Day 11 August, 2025
0.8in
Wet Days August
9/16 (56%)

Climate (2010–Present)

Adak Island, Adak Airport (80.8 miles)

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Annual Average 2020–2024
44.2in
Monthly Average 2020–2025
3.5in
Daily Average 2020–2025
0.1in
Wettest Day 19 November, 2023
2.3in

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