Granville Rainfall Forecast

Today 11 May
No Rain
Tue 12 May
30%
Wed 13 May
30%
Thu 14 May
No Rain
Fri 15 May
45%
Sat 16 May
35%
Sun 17 May
35%

Granville Rainfall Statistics

May Rainfall

Illinois Valley Regional Airport (7.5 miles)

Total Rainfall 2026
11.9in
Daily Average 2026
0.1in
Wettest Day 2 April, 2026
2.3in
Wet Days 2026
26/131 (20%)
Total Rainfall April
7.9in
Daily Average April
0.3in
Wettest Day 2 April, 2026
2.3in
Wet Days April
13/30 (43%)
Total Rainfall May
0.4in
Daily Average May
0.05in
Wettest Day 4 May, 2026
0.2in
Wet Days May
4/11 (36%)

Climate (2010–Present)

Illinois Valley Regional Airport (7.5 miles)

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Annual Average 2021–2025
34.5in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 14 December, 2022
3.4in

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