Petaluma, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Petaluma now
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Petaluma weather by the hour
Petaluma weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Petaluma.
This week in Petaluma
Sunrise, sunset and moon in Petaluma
What is the weather usually like in Petaluma?
Köppen climate classification, calculated from the 1991–2020 normals
- Septemberwarmest month · 82°F average high
- Decembercoldest month · 38°F average low
- 25.6 inprecipitation per year · 649 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Petaluma: June to August and October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PETALUMA AP, CA US (USC00046826), adjusted for the elevation of Petaluma.
Petaluma weather month by month
Sunrise and sunset in Petaluma through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:24 AM | 5:15 PM | 9 h 51 min |
| February | 6:58 AM | 5:50 PM | 10 h 51 min |
| March | 7:19 AM | 7:18 PM | 11 h 59 min |
| April | 6:32 AM | 7:48 PM | 13 h 15 min |
| May | 5:57 AM | 8:16 PM | 14 h 18 min |
| June | 5:45 AM | 8:37 PM | 14 h 51 min |
| July | 5:58 AM | 8:34 PM | 14 h 36 min |
| August | 6:24 AM | 8:05 PM | 13 h 41 min |
| September | 6:51 AM | 7:19 PM | 12 h 28 min |
| October | 7:18 AM | 6:34 PM | 11 h 15 min |
| November | 6:50 AM | 4:59 PM | 10 h 8 min |
| December | 7:18 AM | 4:52 PM | 9 h 34 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Petaluma?
Petaluma has a warm-summer mediterranean climate. The warmest month is September, with an average high of 82°F (28°C), and the coldest is December, with average lows of 38°F (4°C).
It gets about 25.6 inches (649 mm) of precipitation a year. The wettest month is February and the driest is July.
The best time to visit Petaluma is June to August and October. At 30 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Petaluma
Weather in towns near Petaluma
Questions about the weather in Petaluma
What is the hottest month in Petaluma?
September, with an average high of 82°F (28°C).
What is the coldest month in Petaluma?
December, with an average low of 38°F (4°C).
How much does it rain in Petaluma?
About 25.6 inches (649 mm) a year; the wettest month is February.
Does it snow in Petaluma?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Petaluma?
June to August and October, when temperatures are most pleasant and rainy days are fewer.
What climate does Petaluma have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in Petaluma in November?
Highs average 65°F and lows 42°F, with about 2.7 inches of precipitation.
What time is sunrise in Petaluma?
Around 6:50 AM in mid-November, and sunset around 4:59 PM. Today’s exact times are shown above.
Where does this Petaluma weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Petaluma.
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