2025 Compare Cities Climate:
Old Greenwich, CT vs Potomac, MD

Change Cities
Highlights
- Potomac has 17.2% less rainy days than Old Greenwich.
- Potomac has 14.9% more Sunny Days than Old Greenwich.
- On the BestPlaces comfort index, Potomac scores 2.8% better than Old Greenwich
 Old Greenwich, CTPotomac, MDUnited States
 Rainfall  Unlock4238
 Snowfall30  Unlock28
 Precipitation  Unlock114106
 Sunny175  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low22  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index3.4  Unlock4.3
 Elevation  Unlock3612443
Reviews for Old Greenwich    0 Reviews

Start Your Review of Old Greenwich

Reviews for Potomac    2 Reviews

Over 17 years ago

Spring and Fall can be quite glorious when the leaves turn or the tulips pop out and the humidity is lower. Winter, while it has some splendid "snow days," goes on much  More

   |    Reply

Over 17 years ago

The Potomac area in Montgomery County, Maryland, has the best of everything. High schools rated in the top 5 in the State, easy access to the Nation's Capitol,  More

   |    Reply

Start Your Review of Potomac


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.