Climate twins of Gustavus, AK

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

Top match: Seward, AK

Month	Gustavus			Seward
	High	Low	Precip	High	Low	Precip
January	33.2°F	21.9°F	4.94 in	31.3°F	21.1°F	6.47 in
February	37.1°F	22.8°F	3.62 in	34.3°F	23.5°F	6.35 in
March	39.8°F	23.5°F	3.50 in	37.3°F	24.9°F	3.85 in
April	48.5°F	29.1°F	2.80 in	45.4°F	32.2°F	4.29 in
May	56.9°F	35.1°F	2.75 in	53.4°F	39.2°F	3.50 in
June	62.3°F	42.4°F	2.50 in	59.0°F	45.7°F	2.34 in
July	62.7°F	47.2°F	4.19 in	62.2°F	50.2°F	3.11 in
August	62.5°F	46.0°F	5.69 in	62.0°F	49.6°F	5.39 in
September	56.4°F	40.9°F	7.64 in	55.7°F	43.4°F	9.90 in
October	47.8°F	33.7°F	8.25 in	45.7°F	34.7°F	8.69 in
November	38.9°F	27.6°F	6.31 in	36.1°F	26.6°F	7.60 in
December	34.9°F	24.1°F	6.50 in	33.2°F	23.2°F	8.22 in

Cities that consider Gustavus their climate twin

These US cities have Gustavus in their top 3 most-similar list — meaning if you were to move from any of these places, Gustavus would feel familiar.

Seward, AK (ranks Gustavus #3)

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 →