Groton Rainfall Forecast

Today 21 Jul
70%
Wed 22 Jul
80%
Thu 23 Jul
No Rain
Fri 24 Jul
No Rain
Sat 25 Jul
No Rain
Sun 26 Jul
15%
Mon 27 Jul
50%

Groton Rainfall Statistics

July Rainfall

Plymouth Municipal Airport (6.2 miles)

Total Rainfall 2026
35.2in
Daily Average 2026
0.2in
Wettest Day 14 May, 2026
4.4in
Wet Days 2026
69/202 (34%)
Total Rainfall June
8.1in
Daily Average June
0.3in
Wettest Day 18 June, 2026
1.4in
Wet Days June
15/30 (50%)
Total Rainfall July
1.1in
Daily Average July
0.1in
Wettest Day 18 July, 2026
0.8in
Wet Days July
7/21 (33%)

Climate (2021–2025)

Plymouth Municipal Airport (6.2 miles)

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Annual Average 2021–2025
50.8in
Monthly Average 2021–2026
4.6in
Daily Average 2021–2026
0.2in
Wettest Day 18 December, 2023
5.3in

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