2025 Compare Cities Climate:
Hayward, CA vs Penn Valley, CA

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Highlights
- Penn Valley has 127.8% more rainy days than Hayward.
- Penn Valley has 6.6% less Sunny Days than Hayward.
- On the BestPlaces comfort index, Penn Valley scores 8.0% worse than Hayward
 Hayward, CAPenn Valley, CAUnited States
 Rainfall  Unlock4138
 Snowfall0  Unlock28
 Precipitation  Unlock73106
 Sunny257  Unlock205
 Avg. July High  Unlock9186
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock87
 UV Index5.4  Unlock4.3
 Elevation  Unlock14012443
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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Reviews for Penn Valley    1 Reviews

Over 18 years ago

I lived in Penn Valley for 8 years and found it offered numerous positive attributes. Located in the foothills of the Sierra Nevada mountain range, Penn Valley is above  More

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