Grenville Rainfall Forecast

Today 19 Sep
10%
Sun 20 Sep
20%
Mon 21 Sep
35%
Tue 22 Sep
65%
Wed 23 Sep
80%
Thu 24 Sep
55%
Fri 25 Sep
50%

Grenville Rainfall Statistics

September Rainfall

Clayton Municipal Airpark (27.3 miles)

Total Rainfall 2026
8.4in
Daily Average 2026
0.03in
Wettest Day 16 August, 2026
1.3in
Wet Days 2026
43/262 (16%)
Total Rainfall August
2.3in
Daily Average August
0.1in
Wettest Day 16 August, 2026
1.3in
Wet Days August
7/31 (23%)
Total Rainfall September
0.7in
Daily Average September
0.05in
Wettest Day 15 September, 2026
0.5in
Wet Days September
4/19 (21%)

Climate (2021–2025)

Clayton Municipal Airpark (27.3 miles)

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Annual Average 2021–2025
13.9in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 23 June, 2025
2.1in

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