Climate twins of Zimmerman, MN

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

Top match: New Auburn, WI

Month Zimmerman New Auburn
High Low Precip High Low Precip
January 22.5°F 3.5°F 0.80 in 21.3°F 3.4°F 1.00 in
February 28.0°F 7.0°F 0.83 in 26.4°F 6.5°F 0.94 in
March 40.5°F 18.3°F 1.67 in 39.1°F 19.4°F 1.58 in
April 56.2°F 31.9°F 3.04 in 54.2°F 32.7°F 2.93 in
May 69.0°F 44.5°F 4.20 in 67.7°F 45.4°F 3.73 in
June 78.6°F 56.2°F 4.45 in 77.2°F 55.6°F 4.51 in
July 83.4°F 60.9°F 4.49 in 81.4°F 59.6°F 4.14 in
August 80.6°F 57.7°F 4.03 in 79.1°F 57.0°F 3.98 in
September 72.5°F 49.0°F 3.61 in 71.0°F 48.4°F 3.32 in
October 57.8°F 36.1°F 2.96 in 56.4°F 35.6°F 2.82 in
November 40.9°F 23.5°F 1.71 in 40.3°F 23.9°F 1.74 in
December 27.4°F 10.6°F 1.10 in 27.0°F 11.2°F 1.22 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 →