Groton Rainfall Forecast

Today 25 May
20%
Mon 26 May
15%
Tue 27 May
5%
Wed 28 May
10%
Thu 29 May
40%
Fri 30 May
45%
Sat 31 May
35%

Groton Rainfall Statistics

May Rainfall

Groton / New London, Groton / New London Airport (1.9 miles)

Total Rainfall 2025
15.6in
Daily Average 2025
0.1in
Wettest Day 17 March, 2025
2in
Wet Days 2025
49/145 (34%)
Total Rainfall April
2.8in
Daily Average April
0.1in
Wettest Day 26 April, 2025
0.6in
Wet Days April
13/30 (43%)
Total Rainfall May
5.6in
Daily Average May
0.2in
Wettest Day 22 May, 2025
1.7in
Wet Days May
13/25 (52%)

Climate (2010–Present)

Groton / New London, Groton / New London Airport (1.9 miles)

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Annual Average 2020–2024
39.1in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 11 December, 2024
3in

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