Climate twins of Hartford, WI

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

Top match: Wyeville, WI

Month Hartford Wyeville
High Low Precip High Low Precip
January 25.9°F 8.5°F 1.52 in 24.2°F 5.4°F 1.14 in
February 29.9°F 11.4°F 1.26 in 29.1°F 8.1°F 1.03 in
March 41.3°F 21.7°F 1.78 in 41.1°F 19.8°F 1.89 in
April 54.3°F 33.2°F 3.43 in 54.9°F 32.0°F 3.55 in
May 66.7°F 44.3°F 3.82 in 67.6°F 44.3°F 4.28 in
June 76.6°F 54.4°F 4.77 in 77.0°F 54.4°F 5.24 in
July 80.2°F 58.2°F 3.89 in 81.1°F 58.0°F 4.22 in
August 78.6°F 56.2°F 3.74 in 79.1°F 55.8°F 4.34 in
September 71.8°F 48.4°F 3.23 in 71.3°F 47.3°F 3.35 in
October 58.7°F 37.1°F 2.91 in 57.9°F 36.1°F 2.78 in
November 43.8°F 25.9°F 2.06 in 42.6°F 24.5°F 1.91 in
December 31.3°F 15.4°F 1.68 in 29.7°F 12.8°F 1.51 in

Cities that consider Hartford their climate twin

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