2025 Compare Cities Climate:
Hayward, CA vs Johnston, IA

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Highlights
- Johnston has 99.4% more rainy days than Hayward.
- Johnston has 22.6% less Sunny Days than Hayward.
- On the BestPlaces comfort index, Johnston scores 20.7% worse than Hayward
 Hayward, CAJohnston, IAUnited States
 Rainfall  Unlock3638
 Snowfall0  Unlock28
 Precipitation  Unlock109106
 Sunny257  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock6.97
 UV Index5.4  Unlock4.3
 Elevation  Unlock8302443
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 Johnston    2 Reviews

Over 6 years ago

Strong National Guard presence and very family-friendly. The library is the best one that I've ever visited. We moved here for the Army two years ago and will be leaving  More

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Over 16 years ago

Everyone here is rich. Really, really,  More

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