Climate twins of Grand Blanc, MI

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

Top match: Mount Morris, NY

Month Grand Blanc Mount Morris
High Low Precip High Low Precip
January 30.1°F 15.3°F 2.15 in 31.4°F 15.4°F 1.87 in
February 33.4°F 16.0°F 1.48 in 33.7°F 17.2°F 1.49 in
March 43.6°F 23.5°F 1.98 in 42.2°F 24.1°F 2.14 in
April 56.4°F 34.2°F 2.97 in 55.7°F 34.8°F 2.65 in
May 68.5°F 46.2°F 3.71 in 68.8°F 46.6°F 3.12 in
June 77.7°F 55.6°F 3.08 in 76.6°F 55.5°F 3.84 in
July 81.7°F 58.9°F 3.69 in 80.7°F 60.0°F 4.10 in
August 80.1°F 58.3°F 3.24 in 79.2°F 58.4°F 3.35 in
September 73.6°F 50.8°F 2.99 in 73.0°F 51.0°F 3.00 in
October 60.3°F 40.1°F 2.67 in 60.4°F 40.9°F 3.06 in
November 46.7°F 30.8°F 2.32 in 48.3°F 31.9°F 2.33 in
December 35.4°F 21.9°F 1.92 in 36.7°F 23.2°F 2.10 in

Cities that consider Grand Blanc their climate twin

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