Climate twins of West Haven, CT
These are the US cities whose 12-month climate pattern most closely matches West Haven'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: West Haven vs its climate twin
Top match: Brecksville, OH
| Month | West Haven | Brecksville | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 38.1°F | 23.0°F | 2.72 in | 35.8°F | 22.3°F | 2.99 in |
| February | 40.2°F | 23.9°F | 2.84 in | 38.5°F | 23.7°F | 2.49 in |
| March | 47.0°F | 30.1°F | 3.66 in | 47.1°F | 30.7°F | 3.06 in |
| April | 57.8°F | 39.3°F | 4.19 in | 60.1°F | 40.8°F | 3.75 in |
| May | 67.7°F | 49.4°F | 3.54 in | 71.1°F | 51.4°F | 3.79 in |
| June | 76.4°F | 59.3°F | 3.47 in | 79.8°F | 61.1°F | 3.83 in |
| July | 82.1°F | 65.7°F | 3.36 in | 83.7°F | 65.3°F | 3.67 in |
| August | 81.0°F | 64.7°F | 3.55 in | 82.0°F | 63.9°F | 3.56 in |
| September | 74.7°F | 57.3°F | 4.03 in | 75.6°F | 57.1°F | 3.93 in |
| October | 63.8°F | 45.5°F | 3.78 in | 63.7°F | 46.5°F | 3.60 in |
| November | 53.4°F | 35.9°F | 3.12 in | 51.3°F | 36.7°F | 3.37 in |
| December | 43.7°F | 28.9°F | 3.53 in | 40.4°F | 28.2°F | 2.99 in |
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 →