Climate twins of Randolph, MN

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

Top match: Redwood Falls, MN

Month Randolph Redwood Falls
High Low Precip High Low Precip
January 22.9°F 7.8°F 1.05 in 22.6°F 4.3°F 0.67 in
February 28.1°F 11.8°F 0.81 in 28.2°F 8.4°F 0.92 in
March 41.1°F 24.0°F 1.66 in 40.1°F 20.9°F 1.63 in
April 56.2°F 36.3°F 2.72 in 56.0°F 33.6°F 2.86 in
May 68.6°F 48.2°F 3.93 in 69.1°F 46.3°F 4.10 in
June 78.1°F 58.5°F 4.89 in 78.7°F 57.4°F 4.99 in
July 82.0°F 62.6°F 4.24 in 83.2°F 60.5°F 3.71 in
August 79.0°F 60.1°F 4.42 in 81.1°F 58.9°F 4.23 in
September 72.0°F 52.3°F 3.20 in 74.1°F 50.0°F 3.14 in
October 57.9°F 39.4°F 2.75 in 59.5°F 36.4°F 2.38 in
November 41.6°F 26.5°F 1.64 in 42.1°F 23.6°F 1.31 in
December 27.7°F 14.4°F 1.01 in 27.8°F 11.6°F 0.95 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 →