2025 Compare Cities Climate:
Merrimack, NH vs Groton, CT

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Highlights
- Groton has 3.9% more rainy days than Merrimack.
- Groton has 2.5% more Sunny Days than Merrimack.
- On the BestPlaces comfort index, Groton scores 6.0% better than Merrimack
 Merrimack, NHGroton, CTUnited States
 Rainfall  Unlock4838
 Snowfall58  Unlock28
 Precipitation  Unlock119106
 Sunny199  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low13  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index3.2  Unlock4.3
 Elevation  Unlock792443
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