Merrimac Rainfall Forecast

Today 17 Aug
20%
Mon 18 Aug
30%
Tue 19 Aug
30%
Wed 20 Aug
40%
Thu 21 Aug
45%
Fri 22 Aug
35%
Sat 23 Aug
40%

Merrimac Rainfall Statistics

August Rainfall

Virginia Tech Airport (1.9 miles)

Total Rainfall 2025
49in
Daily Average 2025
0.2in
Wettest Day 1 August, 2025
3.7in
Wet Days 2025
82/229 (36%)
Total Rainfall July
9.1in
Daily Average July
0.3in
Wettest Day 19 July, 2025
3.2in
Wet Days July
20/31 (65%)
Total Rainfall August
5in
Daily Average August
0.3in
Wettest Day 1 August, 2025
3.7in
Wet Days August
7/17 (41%)

Climate (2010–Present)

Virginia Tech Airport (1.9 miles)

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Annual Average 2020–2024
55.5in
Monthly Average 2020–2025
4.8in
Daily Average 2020–2025
0.2in
Wettest Day 9 September, 2023
9.5in

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