2025 Compare Cities Climate:
Groton, CT vs Old Lyme, CT

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Highlights
- Old Lyme has 0.2% less rainy days than Groton.
- Old Lyme has 4.9% less Sunny Days than Groton.
- On the BestPlaces comfort index, Old Lyme scores 1.4% better than Groton
 Groton, CTOld Lyme, CTUnited States
 Rainfall  Unlock4838
 Snowfall27  Unlock28
 Precipitation  Unlock118106
 Sunny204  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low22  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index3.3  Unlock4.3
 Elevation  Unlock202443
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