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Petaluma
Weather averages
ClimateForecastMayJune >>

Climate in Petaluma (California), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Healdsburg, the United States of America (46 KM, 28 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: Healdsburg, the United States of America (46 KM, 28 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Forecast for Petaluma (CA)

Fri   May 10
30°C | 8°C
W 14 km/h
clear and no rain

clear and no rain

hourly forecast
Sat   May 11
26°C | 8°C
W 14 km/h
clear and no rain

clear and no rain

hourly forecast
Sun   May 12
22°C | 7°C
W 14 km/h
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Petaluma in the United States of America

During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Does Petaluma have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Petaluma?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Petaluma?
    The coldest month is December with an average maximum temperature of 14°C.
  • Which is the wettest month in Petaluma?
    December tops the wettest month list with 135 mm of rainfall.
  • Which is the driest month in Petaluma?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Petaluma?
    May is the sunniest month with an average of 310 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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