Climate twins of Black Hawk, CO

These are the US cities whose 12-month climate pattern most closely matches Black Hawk'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
Red River, NM
similarity distance: 2.144 (lower = more similar)
Rank 2 closest
Angel Fire, NM
similarity distance: 2.509 (lower = more similar)
Rank 3 closest
Mountain Village, CO
similarity distance: 2.528 (lower = more similar)

Side-by-side: Black Hawk vs its climate twin

Top match: Red River, NM

Month Black Hawk Red River
High Low Precip High Low Precip
January 33.4°F 15.6°F 1.00 in 35.2°F 6.8°F 1.05 in
February 34.2°F 14.7°F 1.32 in 37.2°F 9.4°F 1.46 in
March 41.2°F 20.2°F 2.68 in 44.8°F 16.2°F 1.85 in
April 45.9°F 24.4°F 3.79 in 52.3°F 23.0°F 1.99 in
May 55.3°F 32.6°F 3.24 in 62.0°F 29.6°F 1.79 in
June 66.7°F 41.2°F 2.19 in 72.4°F 36.3°F 1.11 in
July 73.0°F 47.5°F 2.89 in 74.6°F 41.6°F 3.14 in
August 71.2°F 46.1°F 2.84 in 72.4°F 40.2°F 3.01 in
September 64.3°F 39.2°F 1.86 in 67.7°F 33.8°F 2.03 in
October 51.8°F 29.8°F 1.66 in 56.2°F 24.7°F 1.78 in
November 40.9°F 21.1°F 1.23 in 43.7°F 15.5°F 1.59 in
December 33.2°F 14.8°F 1.13 in 35.1°F 8.1°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 →