Alvin Rainfall Forecast

Today 14 Sep
No Rain
Mon 15 Sep
20%
Tue 16 Sep
15%
Wed 17 Sep
5%
Thu 18 Sep
5%
Fri 19 Sep
5%
Sat 20 Sep
15%

Alvin Rainfall Statistics

September Rainfall

Moncks Corner Berkeley County (16.8 miles)

Total Rainfall 2025
40.2in
Daily Average 2025
0.2in
Wettest Day 22 August, 2025
3.4in
Wet Days 2025
82/257 (32%)
Total Rainfall August
7.3in
Daily Average August
0.2in
Wettest Day 22 August, 2025
3.4in
Wet Days August
11/31 (35%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 7 September, 2025
0.1in
Wet Days September
1/14 (7%)

Climate (2010–Present)

Moncks Corner Berkeley County (16.8 miles)

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Annual Average 2020–2024
60.6in
Monthly Average 2020–2025
5.1in
Daily Average 2020–2025
0.2in
Wettest Day 9 August, 2024
11in

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