2025 Compare Cities Climate:
Fullerton, CA vs Union City, CA

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Highlights
- Union City has 19.4% more rainy days than Fullerton.
- Union City has 6.4% less Sunny Days than Fullerton.
- On the BestPlaces comfort index, Union City scores 5.4% worse than Fullerton
 Fullerton, CAUnion City, CAUnited States
 Rainfall  Unlock1738
 Snowfall0  Unlock28
 Precipitation  Unlock64106
 Sunny283  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low46  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.9  Unlock4.3
 Elevation  Unlock662443
Reviews for Fullerton    13 Reviews

Over 4 years ago

ive lived in this city for a very long time, and it is a great and quiet place to live, with some nice shopping areas and great  More

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David · 

I have been living and working in Fullerton for almost 20 years now and have seen it change through the years, both for the better and worse. Fullerton is a half  More

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Over 9 years ago

The weather here is gorgeous! Warm and rarely rains.  More

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Reviews for Union City    1 Reviews

Over 19 years ago

Hi, I am looking for a small, friendly town with low crime and friendly people, outdoor activites, mellow, etc. (in the bay area). I am currently hoping to move to  More

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