2025 Compare Cities Climate:
Herndon, VA vs San Carlos, CA

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Highlights
- San Carlos has 37.5% less rainy days than Herndon.
- San Carlos has 31.3% more Sunny Days than Herndon.
- On the BestPlaces comfort index, San Carlos scores 15.1% better than Herndon
 Herndon, VASan Carlos, CAUnited States
 Rainfall  Unlock2738
 Snowfall22  Unlock28
 Precipitation  Unlock70106
 Sunny201  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low24  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index4  Unlock4.3
 Elevation  Unlock302443
Reviews for Herndon    12 Reviews

Over 10 years ago

Seasons tend to be relatively mild. The warmer seasons are extended by 3-4 weeks as compared to the New York Metropolitan Area.  More

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Over 16 years ago

Traffic has gotten out of control the last couple of  More

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Over 16 years ago

We actually live south of Herndon in Oak Hill (Zip Code 20171). The Town of Herndon is incorporated, Oak Hill is not. Herndon is a nice enough city with an historic area  More

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Reviews for San Carlos    1 Reviews

Over 18 years ago

I have lived in San Carlos for over 15 years and absolutely love it! There is a great mix of age groups and it is becoming more ethnically diverse. Kids play on my  More

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