2025 Compare Cities Climate:
Potomac, MD vs Walnut Creek, CA

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Highlights
- Walnut Creek has 53.3% less rainy days than Potomac.
- Walnut Creek has 30.3% more Sunny Days than Potomac.
- On the BestPlaces comfort index, Walnut Creek scores 16.4% better than Potomac
 Potomac, MDWalnut Creek, CAUnited States
 Rainfall  Unlock2038
 Snowfall17  Unlock28
 Precipitation  Unlock62106
 Sunny201  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low25  Unlock22
 Comfort Index (higher=better)  Unlock8.57
 UV Index4.1  Unlock4.3
 Elevation  Unlock1712443
Reviews for Potomac    2 Reviews

Over 17 years ago

Spring and Fall can be quite glorious when the leaves turn or the tulips pop out and the humidity is lower. Winter, while it has some splendid "snow days," goes on much  More

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Over 17 years ago

The Potomac area in Montgomery County, Maryland, has the best of everything. High schools rated in the top 5 in the State, easy access to the Nation's Capitol,  More

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Reviews for Walnut Creek    16 Reviews

Apart from the congestion, Walnut Creek is one of the best places in the San Francisco Bay Area to live. It is one of the most compact/walkable cities in the entire area  More

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Over 7 years ago

Almost all of Walnut Creek water comes from Pardee dam through an enclosed pipeline. That water is direct from the high Sierras. Among the best water quality in the  More

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Over 7 years ago

I grew up in Southern California and am no stranger to a more inland California climate. Before moving to WC I lived in San Francisco for 15 years where it is obviously  More

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