Climate twins of San Luis Obispo, CA

These are the US cities whose 12-month climate pattern most closely matches San Luis Obispo'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
San Leandro, CA
similarity distance: 0.944 (lower = more similar)
Rank 2 closest
Hayward, CA
similarity distance: 0.944 (lower = more similar)
Rank 3 closest
Union City, CA
similarity distance: 0.983 (lower = more similar)

Side-by-side: San Luis Obispo vs its climate twin

Top match: San Leandro, CA

Month San Luis Obispo San Leandro
High Low Precip High Low Precip
January 65.0°F 40.6°F 3.86 in 59.3°F 43.1°F 2.91 in
February 65.1°F 42.4°F 3.54 in 61.9°F 45.1°F 3.11 in
March 66.7°F 44.5°F 3.17 in 64.4°F 47.4°F 2.35 in
April 69.1°F 45.6°F 1.05 in 66.8°F 49.5°F 1.20 in
May 72.0°F 47.8°F 0.47 in 69.3°F 52.4°F 0.58 in
June 75.2°F 51.1°F 0.10 in 74.0°F 55.1°F 0.15 in
July 78.0°F 54.3°F 0.08 in 74.7°F 57.4°F 0.00 in
August 79.3°F 54.9°F 0.01 in 76.4°F 58.2°F 0.10 in
September 79.5°F 53.4°F 0.04 in 77.0°F 57.6°F 0.08 in
October 77.2°F 49.7°F 0.92 in 73.5°F 53.5°F 0.81 in
November 71.1°F 44.7°F 1.43 in 65.1°F 47.2°F 1.51 in
December 64.9°F 40.2°F 3.27 in 59.4°F 42.9°F 3.20 in

Cities that consider San Luis Obispo their climate twin

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