2025 Compare Cities Climate:
Herndon, VA vs Simi Valley, CA

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Highlights
- Simi Valley has 59.9% less rainy days than Herndon.
- Simi Valley has 37.8% more Sunny Days than Herndon.
- On the BestPlaces comfort index, Simi Valley scores 17.8% better than Herndon
 Herndon, VASimi Valley, CAUnited States
 Rainfall  Unlock1738
 Snowfall22  Unlock28
 Precipitation  Unlock35106
 Sunny201  Unlock205
 Avg. July High  Unlock9286
 Avg. Jan. Low24  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index4  Unlock4.3
 Elevation  Unlock7682443
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 Simi Valley    22 Reviews

I've live in two different neighborhoods since fall of 1996 and depending on the neighborhood you're quality of life experience will vary. The price of housing is such  More

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Over 15 years ago

I have lived in Simi Valley for 23 Years. I love it here but due to the cost of living am looking to relocate to another state/City where my money will go further. Simi  More

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Over 16 years ago

simi valley is a very nice place to live within the shadow of the LA metro area. it has low crime and reasonable housing costs with ready access to indoor and outdoor  More

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