2025 Compare Cities Climate:
Sumner, IA vs Greenfield, IA

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Highlights
- Greenfield has 2.8% less rainy days than Sumner.
- Greenfield has 5.9% more Sunny Days than Sumner.
- On the BestPlaces comfort index, Greenfield scores 6.0% better than Sumner
 Sumner, IAGreenfield, IAUnited States
 Rainfall  Unlock3538
 Snowfall36  Unlock28
 Precipitation  Unlock95106
 Sunny188  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low7  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index3.7  Unlock4.3
 Elevation  Unlock13752443
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