Rockville Rainfall Forecast

Today 14 Aug
40%
Fri 15 Aug
35%
Sat 16 Aug
55%
Sun 17 Aug
40%
Mon 18 Aug
15%
Tue 19 Aug
25%
Wed 20 Aug
25%

Rockville Rainfall Statistics

August Rainfall

Charleston Executive Airport (13 miles)

Total Rainfall 2025
22.6in
Daily Average 2025
0.1in
Wettest Day 9 August, 2025
3.1in
Wet Days 2025
59/226 (26%)
Total Rainfall July
5in
Daily Average July
0.2in
Wettest Day 29 July, 2025
1.5in
Wet Days July
12/31 (39%)
Total Rainfall August
6.2in
Daily Average August
0.6in
Wettest Day 9 August, 2025
3.1in
Wet Days August
9/14 (64%)

Climate (2010–Present)

Charleston Executive Airport (13 miles)

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Annual Average 2020–2024
26.3in
Monthly Average 2020–2025
2in
Daily Average 2020–2025
0.1in
Wettest Day 17 December, 2023
4.5in

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