Dennis Rainfall Forecast

Today 29 Dec
100%
Tue 30 Dec
25%
Wed 31 Dec
25%
Thu 1 Jan
30%
Fri 2 Jan
30%
Sat 3 Jan
20%
Sun 4 Jan
25%

Dennis Rainfall Statistics

December Rainfall

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

Total Rainfall 2025
34.4in
Daily Average 2025
0.1in
Wettest Day 17 March, 2025
2.5in
Wet Days 2025
108/363 (30%)
Total Rainfall November
2.1in
Daily Average November
0.1in
Wettest Day 16 November, 2025
0.4in
Wet Days November
13/30 (43%)
Total Rainfall December
2in
Daily Average December
0.1in
Wettest Day 2 December, 2025
1in
Wet Days December
8/29 (28%)

Climate (2010–Present)

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

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Annual Average 2020–2024
38.5in
Monthly Average 2020–2025
3.3in
Daily Average 2020–2025
0.1in
Wettest Day 8 August, 2023
3.8in

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