Ontario Rainfall Forecast

Today 21 Dec
No Rain
Mon 22 Dec
5%
Tue 23 Dec
5%
Wed 24 Dec
20%
Thu 25 Dec
15%
Fri 26 Dec
10%
Sat 27 Dec
10%

Ontario Rainfall Statistics

December Rainfall

Galesburg Municipal Airport (11.8 miles)

Total Rainfall 2025
46.1in
Daily Average 2025
0.1in
Wettest Day 20 May, 2025
3.2in
Wet Days 2025
85/355 (24%)
Total Rainfall November
2in
Daily Average November
0.1in
Wettest Day 25 November, 2025
0.7in
Wet Days November
9/30 (30%)
Total Rainfall December
1.1in
Daily Average December
0.1in
Wettest Day 18 December, 2025
0.8in
Wet Days December
4/21 (19%)

Climate (2010–Present)

Galesburg Municipal Airport (11.8 miles)

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Annual Average 2020–2024
46.5in
Monthly Average 2020–2025
3.8in
Daily Average 2020–2025
0.1in
Wettest Day 4 July, 2023
16.3in

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