Petaluma Weather in May

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

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

May is in the spring in Petaluma and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 8°C (46°F) is normal.

Petaluma weather averages (imperial / metric)
Daytime temperature 21.9°C 71.3°F
Nightly temperature 7.8°C 46°F
Average temperature 14.8°C 58.6°F
Daily sunshine 11.8 hrs
Avg rainfall 12 mm 0.5 ins
Rainy days 3 days
Sea temperature 11.8°C 53.2°F
Humidity 68%
Windspeed 19.1kph 12 mph

On average May is the 5th driest month of the year in Petaluma with around 12mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.8 hours of sunshine per day.

May temperatures in Petaluma

Petaluma average temperature in May

May rainfall

Petaluma average rain in May

May hourly sunshine

Petaluma average rain in May

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 May 2024.