Climate twins of Dallas City, IL

These are the US cities whose 12-month climate pattern most closely matches Dallas City'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: Dallas City vs its climate twin

Top match: Long Point, IL

Month Dallas City Long Point
High Low Precip High Low Precip
January 32.8°F 16.9°F 1.69 in 31.9°F 15.9°F 2.56 in
February 37.5°F 20.9°F 1.93 in 36.7°F 19.3°F 1.92 in
March 49.9°F 31.6°F 2.72 in 48.9°F 29.3°F 2.78 in
April 62.2°F 42.5°F 3.97 in 62.2°F 40.3°F 3.73 in
May 72.3°F 53.8°F 5.11 in 73.7°F 51.6°F 4.69 in
June 81.5°F 63.4°F 5.16 in 84.1°F 62.2°F 4.67 in
July 85.1°F 67.5°F 4.06 in 87.5°F 65.5°F 4.10 in
August 83.8°F 65.6°F 3.80 in 84.2°F 63.5°F 3.70 in
September 77.1°F 57.2°F 3.51 in 77.6°F 55.2°F 3.56 in
October 64.2°F 45.2°F 3.06 in 64.7°F 43.8°F 2.98 in
November 49.7°F 32.8°F 2.43 in 49.3°F 32.2°F 2.57 in
December 37.6°F 22.7°F 1.92 in 37.2°F 22.2°F 2.17 in

Cities that consider Dallas City their climate twin

These US cities have Dallas City in their top 3 most-similar list — meaning if you were to move from any of these places, Dallas City 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 →