Climate twins of Dayton, TN

These are the US cities whose 12-month climate pattern most closely matches Dayton's. Each "twin" must be at least 140 miles away to avoid trivial near-neighbor matches. Similarity is computed across all 24 monthly metrics (12 average temperatures + 12 average precipitations), normalized so temperature and precipitation contribute equally.

Side-by-side: Dayton vs its climate twin

Top match: Double Springs, AL

Month Dayton Double Springs
High Low Precip High Low Precip
January 47.4°F 28.3°F 5.21 in 50.4°F 29.4°F 5.37 in
February 52.0°F 31.4°F 5.09 in 54.5°F 32.2°F 5.61 in
March 60.9°F 37.6°F 5.33 in 63.5°F 39.7°F 5.44 in
April 70.5°F 46.1°F 5.38 in 71.9°F 46.7°F 5.85 in
May 78.0°F 55.0°F 4.79 in 78.8°F 55.8°F 5.09 in
June 84.7°F 63.4°F 4.50 in 84.8°F 63.6°F 4.75 in
July 87.6°F 67.0°F 5.29 in 88.0°F 67.6°F 4.78 in
August 87.4°F 65.9°F 3.88 in 87.8°F 65.8°F 4.37 in
September 82.1°F 59.6°F 4.82 in 83.1°F 59.9°F 4.45 in
October 71.2°F 47.5°F 3.62 in 73.3°F 48.3°F 3.91 in
November 59.4°F 37.0°F 4.79 in 62.0°F 38.7°F 4.85 in
December 50.3°F 31.3°F 6.04 in 53.0°F 32.7°F 6.31 in

Cities that consider Dayton their climate twin

These US cities have Dayton in their top 3 most-similar list — meaning if you were to move from any of these places, Dayton would feel familiar.

How this is computed

Each city is represented by a 24-dimensional vector: 12 monthly average temperatures and 12 monthly average precipitations. Each dimension is z-score normalized across the population of US cities, so that temperature variance and precipitation variance contribute proportionally. Distance between cities is Euclidean. We filter out cities within 2° latitude/longitude (~140 miles) so that "twins" mean climatically similar but geographically distinct — not just the neighboring town. Full methodology →