Climate twins of Twisp, WA

These are the US cities whose 12-month climate pattern most closely matches Twisp'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.

Rank 1 closest
Reardan, WA
similarity distance: 1.148 (lower = more similar)
Rank 2 closest
Medical Lake, WA
similarity distance: 1.148 (lower = more similar)
Rank 3 closest
Bellevue, ID
similarity distance: 1.183 (lower = more similar)

Side-by-side: Twisp vs its climate twin

Top match: Reardan, WA

Month Twisp Reardan
High Low Precip High Low Precip
January 29.9°F 15.4°F 2.06 in 33.4°F 22.6°F 2.01 in
February 38.4°F 18.0°F 1.28 in 38.5°F 24.0°F 1.42 in
March 50.0°F 25.4°F 1.23 in 48.2°F 29.1°F 1.84 in
April 61.1°F 32.2°F 0.84 in 56.8°F 34.0°F 1.46 in
May 71.1°F 39.7°F 1.13 in 66.0°F 41.3°F 1.57 in
June 76.7°F 45.9°F 1.09 in 72.3°F 46.5°F 1.42 in
July 85.8°F 50.8°F 0.69 in 83.4°F 51.8°F 0.50 in
August 85.6°F 49.3°F 0.45 in 83.3°F 51.0°F 0.42 in
September 77.0°F 41.2°F 0.45 in 73.4°F 42.9°F 0.61 in
October 60.9°F 31.9°F 1.37 in 56.9°F 33.6°F 1.51 in
November 41.2°F 24.5°F 2.03 in 41.4°F 27.4°F 2.20 in
December 29.2°F 15.4°F 2.57 in 32.4°F 22.0°F 2.44 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 →