Climate twins of Sugar Grove, IL

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

Top match: Millersburg, IN

Month Sugar Grove Millersburg
High Low Precip High Low Precip
January 30.5°F 14.7°F 1.30 in 31.9°F 18.1°F 1.73 in
February 34.9°F 18.0°F 1.41 in 35.4°F 20.3°F 1.59 in
March 47.5°F 28.1°F 2.21 in 47.0°F 28.5°F 2.02 in
April 60.4°F 37.2°F 3.60 in 59.9°F 38.3°F 3.39 in
May 71.9°F 49.0°F 4.06 in 70.9°F 49.6°F 4.20 in
June 81.4°F 58.5°F 3.98 in 80.1°F 59.6°F 3.47 in
July 84.4°F 61.8°F 3.71 in 83.2°F 62.3°F 3.67 in
August 82.2°F 59.5°F 3.35 in 81.3°F 60.3°F 3.97 in
September 76.2°F 51.6°F 3.01 in 75.2°F 52.8°F 2.87 in
October 63.3°F 40.6°F 3.23 in 62.4°F 42.6°F 2.98 in
November 48.1°F 29.2°F 2.30 in 48.3°F 32.7°F 2.83 in
December 35.8°F 20.6°F 1.68 in 36.6°F 24.0°F 1.87 in

Cities that consider Sugar Grove their climate twin

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