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

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 Union City, CAHayward, CAUnited States
 Rainfall  Unlock1838.1
 Snowfall0  Unlock27.8
 Precipitation Days64.164.7106.2
 Sunny265  Unlock205
 Avg. July High  Unlock76.285.8
 Avg. Jan. Low42.3  Unlock21.7
 Comfort Index (higher=better)  Unlock8.77
 UV Index5.4  Unlock4.3
 Elevation ft.661052443
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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Reviews for Hayward    4 Reviews

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

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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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Over 11 years ago

convenient BART and bus if you have no  More

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