2025 Compare Cities Climate:
Westford, MA vs Chelmsford, MA

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Highlights
- Chelmsford has 2.5% less rainy days than Westford.
- Chelmsford has 1.0% more Sunny Days than Westford.
- On the BestPlaces comfort index, Chelmsford scores 0.0% worse than Westford
 Westford, MAChelmsford, MAUnited States
 Rainfall  Unlock4738
 Snowfall56  Unlock28
 Precipitation  Unlock126106
 Sunny199  Unlock205
 Avg. July High  Unlock8386
 Avg. Jan. Low15  Unlock22
 Comfort Index (higher=better)  Unlock6.87
 UV Index3.5  Unlock4.3
 Elevation  Unlock2432443
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