Petaluma Rainfall Forecast

Today 31 Dec
95%
Thu 1 Jan
90%
Fri 2 Jan
95%
Sat 3 Jan
85%
Sun 4 Jan
70%
Mon 5 Jan
70%
Tue 6 Jan
30%

Petaluma Rainfall Statistics

December Rainfall

Petaluma Municipal Airport (2.5 miles)

Total Rainfall 2025
15in
Daily Average 2025
0.04in
Wettest Day 4 February, 2025
1.6in
Wet Days 2025
51/365 (14%)
Total Rainfall November
2.6in
Daily Average November
0.1in
Wettest Day 13 November, 2025
1in
Wet Days November
6/31 (19%)
Total Rainfall December
3.4in
Daily Average December
0.1in
Wettest Day 25 December, 2025
0.7in
Wet Days December
10/31 (32%)

Climate (2011–Present)

Petaluma Municipal Airport (2.5 miles)

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Annual Average 2020–2024
10.1in
Monthly Average 2020–2025
0.9in
Daily Average 2020–2025
0.03in
Wettest Day 24 October, 2021
4.8in

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