2026 Compare Cities Climate:
Groton, MA vs Willow Grove, PA

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Highlights
- Willow Grove has 1.1% more rainy days than Groton.
- Willow Grove has 1.5% more Sunny Days than Groton.
- On the BestPlaces comfort index, Willow Grove scores 9.0% better than Groton
 Groton, MAWillow Grove, PAUnited States
 Rainfall  Unlock4838
 Snowfall57  Unlock28
 Precipitation  Unlock109106
 Sunny200  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low14  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index3.5  Unlock4.3
 Elevation  Unlock2692443
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