Penngrove Rainfall Forecast
- 80%
- 60%
- 50%
- 75%
- 60%
- 70%
- 60%
Penngrove Rainfall Statistics
December Rainfall
Petaluma Municipal Airport (4.3 miles)
Total Rainfall December
0.04inDaily Average December
0inWettest Day 6 December, 2025
0.04inWet Days December
1/16 (6%)
Climate (2011–Present)
Petaluma Municipal Airport (4.3 miles)
Annual Average 2020–2024
10.1inMonthly Average 2020–2025
0.9inDaily Average 2020–2025
0.03inWettest Day 24 October, 2021
4.8in