Dennis Rainfall Forecast

Today 29 May
50%
Sat 30 May
100%
Sun 31 May
15%
Mon 1 Jun
40%
Tue 2 Jun
30%
Wed 3 Jun
35%
Thu 4 Jun
25%

Dennis Rainfall Statistics

May Rainfall

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

Total Rainfall 2026
11.4in
Daily Average 2026
0.1in
Wettest Day 16 March, 2026
1.1in
Wet Days 2026
51/149 (34%)
Total Rainfall April
1.5in
Daily Average April
0.1in
Wettest Day 1 April, 2026
0.4in
Wet Days April
12/30 (40%)
Total Rainfall May
2.2in
Daily Average May
0.1in
Wettest Day 25 May, 2026
0.5in
Wet Days May
10/29 (34%)

Climate (2010–Present)

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

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Annual Average 2021–2025
38.8in
Monthly Average 2021–2026
3.2in
Daily Average 2021–2026
0.1in
Wettest Day 8 August, 2023
3.8in

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