Union Rainfall Forecast

Today 18 Dec
No Rain
Fri 19 Dec
100%
Sat 20 Dec
10%
Sun 21 Dec
5%
Mon 22 Dec
No Rain
Tue 23 Dec
50%
Wed 24 Dec
35%

Union Rainfall Statistics

December Rainfall

Willimantic, Windham Airport (16.8 miles)

Total Rainfall 2025
32.4in
Daily Average 2025
0.1in
Wettest Day 10 July, 2025
1.9in
Wet Days 2025
99/352 (28%)
Total Rainfall November
1.1in
Daily Average November
0.04in
Wettest Day 15 November, 2025
0.4in
Wet Days November
10/30 (33%)
Total Rainfall December
0.4in
Daily Average December
0.03in
Wettest Day 2 December, 2025
0.4in
Wet Days December
2/18 (11%)

Climate (2010–Present)

Willimantic, Windham Airport (16.8 miles)

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Annual Average 2020–2024
41.9in
Monthly Average 2020–2025
3.5in
Daily Average 2020–2025
0.1in
Wettest Day 13 September, 2023
4.4in

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