2025 Compare Cities Climate:
Old Lyme, CT vs Plymouth, MA

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Highlights
- Plymouth has 5.9% more rainy days than Old Lyme.
- Plymouth has 3.6% more Sunny Days than Old Lyme.
- On the BestPlaces comfort index, Plymouth scores 2.8% worse than Old Lyme
 Old Lyme, CTPlymouth, MAUnited States
 Rainfall  Unlock5138
 Snowfall26  Unlock28
 Precipitation  Unlock129106
 Sunny194  Unlock205
 Avg. July High  Unlock8186
 Avg. Jan. Low23  Unlock22
 Comfort Index (higher=better)  Unlock77
 UV Index3.3  Unlock4.3
 Elevation  Unlock492443
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