Gravina Island Rainfall Forecast
- No Rain
- No Rain
- 10%
- 15%
- 30%
- 5%
- 5%
Gravina Island Rainfall Statistics
August Rainfall
Ketchikan, Ketchikan International Airport (2.5 miles)
Total Rainfall August
0.01inDaily Average August
0.01inWettest Day 1 August, 2026
0.01inWet Days August
1/3 (33%)
Climate (2021–2025)
Ketchikan, Ketchikan International Airport (2.5 miles)
Annual Average 2021–2025
146.7inMonthly Average 2021–2026
11.9inDaily Average 2021–2026
0.4inWettest Day 15 September, 2025
7.6in