Sullivan Rainfall Forecast

Today 21 May
No Rain
Fri 22 May
65%
Sat 23 May
30%
Sun 24 May
50%
Mon 25 May
40%
Tue 26 May
45%
Wed 27 May
40%

Sullivan Rainfall Statistics

May Rainfall

Washington Regional Airport (27.3 miles)

Total Rainfall 2026
15.2in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
2.5in
Wet Days 2026
35/141 (25%)
Total Rainfall April
6.1in
Daily Average April
0.2in
Wettest Day 15 April, 2026
1.3in
Wet Days April
12/30 (40%)
Total Rainfall May
3.6in
Daily Average May
0.2in
Wettest Day 18 May, 2026
2.5in
Wet Days May
8/21 (38%)

Climate (2012–Present)

Washington Regional Airport (27.3 miles)

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Annual Average 2021–2025
5.6in
Monthly Average 2021–2026
0.4in
Daily Average 2021–2026
0.02in
Wettest Day 18 May, 2026
2.5in

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