Ottawa Rainfall Forecast

Today 13 Dec
95%
Sun 14 Dec
No Rain
Mon 15 Dec
No Rain
Tue 16 Dec
No Rain
Wed 17 Dec
5%
Thu 18 Dec
50%
Fri 19 Dec
5%

Ottawa Rainfall Statistics

December Rainfall

Illinois Valley Regional Airport (15.5 miles)

Total Rainfall 2025
35.1in
Daily Average 2025
0.1in
Wettest Day 17 August, 2025
3.1in
Wet Days 2025
64/347 (18%)
Total Rainfall November
1.3in
Daily Average November
0.04in
Wettest Day 8 November, 2025
0.7in
Wet Days November
4/30 (13%)
Total Rainfall December
0.2in
Daily Average December
0.02in
Wettest Day 9 December, 2025
0.1in
Wet Days December
3/13 (23%)

Climate (2010–Present)

Illinois Valley Regional Airport (15.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
30.9in
Monthly Average 2020–2025
2.9in
Daily Average 2020–2025
0.1in
Wettest Day 14 December, 2022
3.4in

Get WillyWeather+ to remove ads