Downtown Seattle Rainfall Forecast
- 90%
- 60%
- 70%
- 5%
- 5%
- 10%
- 15%
Downtown Seattle Rainfall Statistics
December Rainfall
Boeing Field - King County International Airport (4.3 miles)
Total Rainfall December
4.9inDaily Average December
0.2inWettest Day 8 December, 2025
1inWet Days December
17/24 (71%)
Climate (2010–Present)
Boeing Field - King County International Airport (4.3 miles)
Annual Average 2020–2024
22.4inMonthly Average 2020–2025
1.9inDaily Average 2020–2025
0.1inWettest Day 12 January, 2021
1.5in