2025 Compare Cities Climate:
Salem, MO vs Altona, IL

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Highlights
- Altona has 20.4% less rainy days than Salem.
- Altona has 3.1% more Sunny Days than Salem.
- On the BestPlaces comfort index, Altona scores 2.8% worse than Salem
 Salem, MOAltona, ILUnited States
 Rainfall  Unlock3738
 Snowfall10  Unlock28
 Precipitation  Unlock106106
 Sunny194  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low21  Unlock22
 Comfort Index (higher=better)  Unlock77
 UV Index4.2  Unlock4.3
 Elevation  Unlock7612443
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