Hanahan Rainfall Forecast

Today 18 Jul
35%
Sat 19 Jul
10%
Sun 20 Jul
20%
Mon 21 Jul
45%
Tue 22 Jul
80%
Wed 23 Jul
60%
Thu 24 Jul
45%

Hanahan Rainfall Statistics

July Rainfall

Charleston, Charleston Air Force Base (2.5 miles)

Total Rainfall 2025
19.8in
Daily Average 2025
0.1in
Wettest Day 11 May, 2025
3.3in
Wet Days 2025
55/199 (28%)
Total Rainfall June
3.2in
Daily Average June
0.1in
Wettest Day 12 June, 2025
1.3in
Wet Days June
10/30 (33%)
Total Rainfall July
3.9in
Daily Average July
0.2in
Wettest Day 10 July, 2025
1.1in
Wet Days July
11/18 (61%)

Climate (2010–Present)

Charleston, Charleston Air Force Base (2.5 miles)

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Annual Average 2020–2024
53.1in
Monthly Average 2020–2025
4.2in
Daily Average 2020–2025
0.1in
Wettest Day 30 September, 2022
5.6in

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