Intracoastal Waterway - William Island Rainfall Forecast
- 100%
- 80%
- 35%
- 35%
- 10%
- 5%
- 15%
Intracoastal Waterway - William Island Rainfall Statistics
December Rainfall
North Myrtle Beach Grand Strand Airport (3.7 miles)
Total Rainfall December
0.8inDaily Average December
0.4inWettest Day 2 December, 2025
0.8inWet Days December
2/5 (40%)
Climate (2010–Present)
North Myrtle Beach Grand Strand Airport (3.7 miles)
Annual Average 2020–2024
46.9inMonthly Average 2020–2025
3.8inDaily Average 2020–2025
0.1inWettest Day 30 August, 2023
4.8in