2026 Compare Cities Climate:
Rio Vista, CA vs Half Moon Bay, CA

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Highlights
- Half Moon Bay has 16.7% more rainy days than Rio Vista.
- Half Moon Bay has 3.4% less Sunny Days than Rio Vista.
- On the BestPlaces comfort index, Half Moon Bay scores 1.2% worse than Rio Vista
 Rio Vista, CAHalf Moon Bay, CAUnited States
 Rainfall  Unlock2438
 Snowfall0  Unlock28
 Precipitation  Unlock84106
 Sunny268  Unlock205
 Avg. July High  Unlock7386
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.37
 UV Index5.1  Unlock4.3
 Elevation  Unlock752443
Reviews for Rio Vista    2 Reviews

Known as “the Gateway to the Delta”, Rio Vista is located in the heart of the California Delta on the Sacramento River. The views along the wide river bring to mind the  More

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There is plenty to be had in Rio Vista, particularly if you like dead animal heads on a bar wall (Fosters Big Horn) and a state of the art fish cleaning station located  More

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Reviews for Half Moon Bay    3 Reviews

HMB has one of the best climates in the world. It also has some very good restaurants. You have the ocean on one side and scenic foothills to the east.It would be heaven  More

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Over 20 years ago

Rural coastal living in a great community close to San Francisco and Silicon  More

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Over 21 years ago

I lived in HMB for 17 years and loved (almost) every minute there. Beautiful hills to the east of the town and the Pacific ocean to the west. Close to San Francisco,  More

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