Climate twins of Brownsburg, IN

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

Top match: Sullivan, IL

Month Brownsburg Sullivan
High Low Precip High Low Precip
January 36.4°F 21.2°F 2.59 in 35.3°F 18.5°F 2.41 in
February 41.0°F 24.0°F 2.07 in 40.2°F 21.9°F 2.23 in
March 52.1°F 33.1°F 3.28 in 51.2°F 31.1°F 2.83 in
April 64.0°F 43.1°F 4.08 in 64.7°F 41.9°F 4.48 in
May 73.8°F 53.7°F 4.32 in 74.6°F 53.4°F 4.98 in
June 82.1°F 63.0°F 5.06 in 83.2°F 62.7°F 4.95 in
July 85.2°F 66.7°F 4.29 in 86.0°F 65.2°F 4.35 in
August 84.0°F 64.7°F 3.24 in 85.1°F 62.3°F 3.16 in
September 78.1°F 57.1°F 2.57 in 80.1°F 54.6°F 2.71 in
October 65.6°F 45.4°F 3.25 in 67.3°F 43.9°F 3.30 in
November 52.0°F 34.8°F 3.25 in 52.1°F 33.0°F 3.45 in
December 40.8°F 26.2°F 2.67 in 40.3°F 24.5°F 2.75 in

Cities that consider Brownsburg their climate twin

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