Climate twins of Calais, ME
These are the US cities whose 12-month climate pattern most closely matches Calais'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: Calais vs its climate twin
Top match: Bath, ME
| Month | Calais | Bath | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 28.7°F | 11.0°F | 4.85 in | 31.1°F | 10.3°F | 3.74 in |
| February | 31.6°F | 12.7°F | 4.17 in | 33.5°F | 9.6°F | 3.58 in |
| March | 39.7°F | 21.8°F | 4.82 in | 40.8°F | 20.4°F | 4.16 in |
| April | 50.8°F | 32.1°F | 4.39 in | 52.5°F | 31.0°F | 4.31 in |
| May | 62.2°F | 41.2°F | 4.35 in | 63.1°F | 40.9°F | 3.56 in |
| June | 70.9°F | 49.9°F | 4.10 in | 72.3°F | 51.0°F | 4.42 in |
| July | 76.9°F | 56.1°F | 3.18 in | 78.6°F | 57.4°F | 3.14 in |
| August | 76.8°F | 55.8°F | 3.45 in | 78.3°F | 55.5°F | 3.26 in |
| September | 69.1°F | 49.0°F | 4.23 in | 70.5°F | 48.2°F | 3.92 in |
| October | 56.6°F | 39.4°F | 5.43 in | 58.6°F | 37.5°F | 5.25 in |
| November | 45.2°F | 30.2°F | 5.50 in | 46.8°F | 27.6°F | 4.52 in |
| December | 34.4°F | 19.4°F | 6.27 in | 36.5°F | 17.7°F | 4.59 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 →