Portland Rainfall Forecast

Today 12 Dec
30%
Sat 13 Dec
85%
Sun 14 Dec
30%
Mon 15 Dec
20%
Tue 16 Dec
10%
Wed 17 Dec
10%
Thu 18 Dec
50%

Portland Rainfall Statistics

December Rainfall

Ionia County Airport (9.3 miles)

Total Rainfall 2025
17.8in
Daily Average 2025
0.1in
Wettest Day 2 April, 2025
1.5in
Wet Days 2025
71/346 (21%)
Total Rainfall November
0.6in
Daily Average November
0.02in
Wettest Day 25 November, 2025
0.2in
Wet Days November
6/30 (20%)
Total Rainfall December
0.1in
Daily Average December
0.01in
Wettest Day 9 December, 2025
0.1in
Wet Days December
2/12 (17%)

Climate (2010–Present)

Ionia County Airport (9.3 miles)

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Annual Average 2020–2024
28.3in
Monthly Average 2020–2025
2.4in
Daily Average 2020–2025
0.1in
Wettest Day 26 June, 2021
3.6in

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