2025 Compare Cities Climate:
Hercules, CA vs Petaluma, CA

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Highlights
- Petaluma has 24.7% more rainy days than Hercules.
- Petaluma has 1.9% less Sunny Days than Hercules.
- On the BestPlaces comfort index, Petaluma scores 1.2% worse than Hercules
 Hercules, CAPetaluma, CAUnited States
 Rainfall  Unlock3038
 Snowfall0  Unlock28
 Precipitation  Unlock75106
 Sunny265  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low40  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.4  Unlock4.3
 Elevation  Unlock302443
Reviews for Hercules    2 Reviews

Over 11 years ago

Hercules is in the San Francisco Bay area. It is located on San Pablo Bay which moderates the temperature. Hercules is typically cooler than Concord in Summer. It can  More

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Would like to find out more about the living condition in Hercules and the surrounding areas as well, as well as the transportation to and from the Bay  More

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Reviews for Petaluma    16 Reviews

I agree with the low star reviews. Been here for 25 years, raised a family and seen everything turn to the left and worse. Weather is glorious, love the old Victorians  More

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We’ve lived here for 3 years and we love it. It has taken some time to grow on us. We moved from SF where we had lived over 15 years, we were not used to one year leases  More

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I’ve lived here a couple of years (after living in others parts of the Bay Area for 15+ years) and I love it! Great neighborhoods, friendly folks, good schools with  More

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