Holly Knoll Park Rainfall Forecast

Today 30 Dec
10%
Wed 31 Dec
15%
Thu 1 Jan
5%
Fri 2 Jan
No Rain
Sat 3 Jan
5%
Sun 4 Jan
5%
Mon 5 Jan
15%

Holly Knoll Park Rainfall Statistics

December Rainfall

Washington/Dulles International Airport, DC (6.8 miles)

Total Rainfall 2025
30.2in
Daily Average 2025
0.1in
Wettest Day 13 May, 2025
1.7in
Wet Days 2025
123/364 (34%)
Total Rainfall November
0.8in
Daily Average November
0.03in
Wettest Day 18 November, 2025
0.2in
Wet Days November
9/30 (30%)
Total Rainfall December
1.3in
Daily Average December
0.05in
Wettest Day 2 December, 2025
0.7in
Wet Days December
7/30 (23%)

Climate (2010–Present)

Washington/Dulles International Airport, DC (6.8 miles)

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Annual Average 2020–2024
38.7in
Monthly Average 2020–2025
3in
Daily Average 2020–2025
0.1in
Wettest Day 25 October, 2021
2.4in

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