Climate twins of Footville, WI

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

Top match: Chelsea, IA

Month Footville Chelsea
High Low Precip High Low Precip
January 28.3°F 11.6°F 1.63 in 28.1°F 10.4°F 1.11 in
February 32.4°F 14.7°F 1.61 in 32.8°F 14.3°F 1.28 in
March 44.6°F 25.4°F 2.06 in 46.0°F 25.8°F 2.03 in
April 57.9°F 36.1°F 3.57 in 60.0°F 37.1°F 3.68 in
May 69.9°F 48.0°F 4.09 in 70.9°F 49.2°F 4.43 in
June 79.9°F 58.0°F 4.99 in 80.3°F 59.7°F 5.23 in
July 83.4°F 61.7°F 4.19 in 83.6°F 62.9°F 4.06 in
August 81.7°F 59.5°F 4.34 in 82.1°F 60.2°F 4.08 in
September 75.1°F 51.0°F 3.73 in 75.8°F 51.1°F 3.55 in
October 61.7°F 39.5°F 2.99 in 62.9°F 39.0°F 2.86 in
November 46.3°F 28.5°F 2.33 in 47.2°F 27.1°F 2.11 in
December 33.5°F 18.1°F 1.90 in 33.6°F 16.8°F 1.58 in

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 →