San Joaquin Reservoir Rainfall Forecast
- No Rain
- No Rain
- 5%
- 55%
- 65%
- 60%
- 40%
San Joaquin Reservoir Rainfall Statistics
December Rainfall
John Wayne-Orange County Airport (4.3 miles)
Total Rainfall December
0.8inDaily Average December
0.03inWettest Day 24 December, 2025
0.5inWet Days December
4/28 (14%)
Climate (2010–Present)
John Wayne-Orange County Airport (4.3 miles)
Annual Average 2020–2024
10.3inMonthly Average 2020–2025
0.8inDaily Average 2020–2025
0.03inWettest Day 25 February, 2023
2.1in