2025 Compare Cities Climate:
Sumner, WA vs Rocklin, CA

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Highlights
- Rocklin has 57.5% less rainy days than Sumner.
- Rocklin has 80.9% more Sunny Days than Sumner.
- On the BestPlaces comfort index, Rocklin scores 15.5% better than Sumner
 Sumner, WARocklin, CAUnited States
 Rainfall  Unlock2138
 Snowfall5  Unlock28
 Precipitation  Unlock60106
 Sunny141  Unlock205
 Avg. July High  Unlock9486
 Avg. Jan. Low35  Unlock22
 Comfort Index (higher=better)  Unlock8.27
 UV Index2.6  Unlock4.3
 Elevation  Unlock2592443
Reviews for Sumner    2 Reviews

Sumner is a wonderfully small but growing community nestled in the a beautiful and fertile valley of Western Washington. Only minutes from the major cities, the small  More

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Over 19 years ago

Sumner Washington is located in the Puyallup valley which by definition is flat and walkable. The city adminstration and council are very focused on maintaining a small  More

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Reviews for Rocklin    11 Reviews

I have had the blessed opportunity to be born and raised in Rocklin, CA. Rocklin is truly one of the best towns to live in, in the sacramento area. It's a clean, smaller  More

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Over 6 years ago

I've lived in the Sacramento vicinity for 12 years, and in Northern California my entire life (I grew up in the San Jose area). The area of Rocklin I am living in is the  More

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Over 14 years ago

seriously? Let me tell you what I have observed since moving here from Gilbert, AZ 3 months ago.I know I am going to take grief for this so go ahead and let it fly,  More

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