Grafton Rainfall Forecast
- No Rain
- 40%
- 60%
- 15%
- 10%
- 5%
- No Rain
Grafton Rainfall Statistics
January Rainfall
Mason City Municipal Airport (17.4 miles)
Total Rainfall January
0.7inDaily Average January
0.1inWettest Day 8 January, 2026
0.7inWet Days January
1/14 (7%)
Climate (2010–Present)
Mason City Municipal Airport (17.4 miles)
Annual Average 2021–2025
30.2inMonthly Average 2021–2025
2.5inDaily Average 2021–2026
0.1inWettest Day 27 August, 2021
3.1in