Petaluma Weather in October

What's the weather like in Petaluma (California) in October 2024?

The climate in Petaluma during October can be summarized as mild and reasonably dry.

October is in the fall / autumn in Petaluma and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 8°C (47°F) is normal.

Petaluma weather averages (imperial / metric)
Daytime temperature 23.5°C 74.3°F
Nightly temperature 8.1°C 46.6°F
Average temperature 15.8°C 60.4°F
Daily sunshine 8.9 hrs
Avg rainfall 46 mm 1.8 ins
Rainy days 4 days
Sea temperature 14°C 57.3°F
Humidity 70%
Windspeed 13.3kph 8 mph

On average October is the 6th driest month of the year in Petaluma with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.9 hours of sunshine per day.

October temperatures in Petaluma

Petaluma average temperature in October

October rainfall

Petaluma average rain in October

October hourly sunshine

Petaluma average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Petaluma in October 2024.