Johnston Rainfall Forecast
- 10%
- 50%
- 5%
- No Rain
- 5%
- 25%
- 15%
Johnston Rainfall Statistics
December Rainfall
Aiken Municipal Airport (14.3 miles)
Total Rainfall December
2.6inDaily Average December
0.5inWettest Day 2 December, 2025
2inWet Days December
2/7 (29%)
Climate (2010–Present)
Aiken Municipal Airport (14.3 miles)
Annual Average 2020–2024
59.7inMonthly Average 2020–2025
5.5inDaily Average 2020–2025
0.2inWettest Day 6 November, 2024
6.8in