Climate twins of Columbia Falls, MT

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

Top match: Republic, WA

Month Columbia Falls Republic
High Low Precip High Low Precip
January 31.0°F 16.3°F 1.40 in 31.1°F 16.1°F 1.62 in
February 35.5°F 18.1°F 0.96 in 38.2°F 17.7°F 1.34 in
March 45.1°F 24.0°F 1.11 in 48.6°F 23.9°F 1.54 in
April 55.0°F 30.5°F 1.34 in 58.2°F 29.3°F 1.38 in
May 65.1°F 38.1°F 1.84 in 67.9°F 37.0°F 2.06 in
June 71.2°F 44.0°F 2.84 in 73.9°F 42.4°F 2.17 in
July 82.2°F 47.6°F 1.14 in 84.1°F 46.5°F 1.16 in
August 81.7°F 45.7°F 0.76 in 84.0°F 45.2°F 0.64 in
September 70.4°F 38.3°F 1.17 in 74.1°F 37.9°F 0.87 in
October 54.1°F 29.1°F 1.35 in 56.9°F 29.4°F 1.25 in
November 39.4°F 23.5°F 1.35 in 39.7°F 23.3°F 1.86 in
December 31.0°F 17.2°F 1.50 in 30.2°F 16.0°F 2.19 in

Cities that consider Columbia Falls their climate twin

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