Climate twins of Chanhassen, MN

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

Top match: Fall Creek, WI

Month Chanhassen Fall Creek
High Low Precip High Low Precip
January 22.4°F 5.6°F 0.87 in 22.2°F 3.8°F 0.98 in
February 27.0°F 9.0°F 0.94 in 26.8°F 6.3°F 1.06 in
March 40.2°F 21.7°F 1.56 in 39.5°F 19.4°F 1.70 in
April 55.2°F 34.8°F 3.16 in 54.3°F 32.8°F 3.11 in
May 67.8°F 46.8°F 4.36 in 67.6°F 45.3°F 4.30 in
June 77.4°F 57.6°F 4.40 in 77.2°F 55.6°F 5.09 in
July 81.4°F 62.1°F 3.87 in 81.6°F 58.9°F 4.25 in
August 79.1°F 59.7°F 4.76 in 78.8°F 56.9°F 4.42 in
September 71.4°F 51.1°F 3.29 in 70.3°F 48.4°F 3.76 in
October 57.1°F 37.8°F 2.66 in 56.5°F 35.3°F 2.63 in
November 40.6°F 24.9°F 1.73 in 40.8°F 23.9°F 1.79 in
December 27.2°F 12.3°F 1.21 in 27.7°F 11.3°F 1.39 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 →