2025 Compare Cities Climate:
Grand Junction, CO vs Simi Valley, CA

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Highlights
- Simi Valley has 73.7% more rainy days than Grand Junction.
- Simi Valley has 13.1% more Sunny Days than Grand Junction.
- On the BestPlaces comfort index, Simi Valley scores 16.2% better than Grand Junction
 Grand Junction, COSimi Valley, CAUnited States
 Rainfall  Unlock1738
 Snowfall16  Unlock28
 Precipitation  Unlock35106
 Sunny245  Unlock205
 Avg. July High  Unlock9286
 Avg. Jan. Low18  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.8  Unlock4.3
 Elevation  Unlock7682443
Reviews for Grand Junction    54 Reviews

Grand Junction is another one of those fast growing places due to its cheaper than average cost of living. However with each passing year, that once $600 a month one  More

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I’ve lived in Grand Junction for 18 years, but have been coming here (girlfriend, wife, family) since 1992. I think the biggest change or challenge for long time locals,  More

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Over 4 years ago

I've lived in Grand Junction for 14 months and it is a nice area, but very expensive to live. There is an ongoing housing crisis due to poor city planning and it has  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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