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

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Highlights
- Hayward has 8.4% more rainy days than Union City.
- Hayward has 3.0% less Sunny Days than Union City.
- On the BestPlaces comfort index, Hayward scores 1.1% worse than Union City
 Union City, CAHayward, CAUnited States
 Rainfall  Unlock1838
 Snowfall0  Unlock28
 Precipitation  Unlock65106
 Sunny265  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock8.77
 UV Index5.4  Unlock4.3
 Elevation  Unlock1052443
Jobs
Reviews for Union City    1 Reviews
Miriam · Union City, CA
hello from Union City
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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Reviews for Hayward    4 Reviews
Robert · Hayward, CA
A CITY OF NEIGHBORHOODS, CONVENIENT TO THE SF BAY
Over 6 years ago

I've lived in Hayward for 20 years. Traditionally a working  More

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stan · Hayward, CA
Weather,Water,and everything is close. But....
Over 7 years ago

Hetchy Hechy water is very pure,the summers are about 78f..warm enough. Winters are sunny for the most part and by average.One University and one College in this small  More

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MEILING · Hayward, CA
I have no car
Over 11 years ago

convenient BART and bus if you have no  More

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Learn More About Union City, California
Overview
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Learn More About Hayward, California
Overview
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