2025 Compare Cities Climate:
Loudon, TN vs Mercer, PA

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Highlights
- Mercer has 20.5% less rainy days than Loudon.
- Mercer has 22.5% less Sunny Days than Loudon.
- On the BestPlaces comfort index, Mercer scores 8.2% worse than Loudon
 Loudon, TNMercer, PAUnited States
 Rainfall  Unlock4238
 Snowfall5  Unlock28
 Precipitation  Unlock156106
 Sunny204  Unlock205
 Avg. July High  Unlock8286
 Avg. Jan. Low28  Unlock22
 Comfort Index (higher=better)  Unlock6.77
 UV Index4.6  Unlock4.3
 Elevation  Unlock12632443
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