Tumwater Rainfall Forecast
- 60%
- 50%
- 10%
- 75%
- 95%
- 90%
- 95%
Tumwater Rainfall Statistics
December Rainfall
Olympia, Olympia Airport (1.9 miles)
Total Rainfall December
–Daily Average December
–Wettest Day 1 December, 2025
–Wet Days December
–
Climate (2010–Present)
Olympia, Olympia Airport (1.9 miles)
Annual Average 2020–2024
50.9inMonthly Average 2020–2025
4inDaily Average 2020–2025
0.1inWettest Day 6 January, 2022
4in