Climate twins of Dennison, OH
These are the US cities whose 12-month climate pattern most closely matches Dennison'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: Dennison vs its climate twin
Top match: Port Jefferson, OH
| Month | Dennison | Port Jefferson | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 35.7°F | 19.6°F | 3.13 in | 34.4°F | 17.9°F | 2.89 in |
| February | 39.6°F | 21.4°F | 2.51 in | 38.5°F | 20.1°F | 2.31 in |
| March | 49.6°F | 28.3°F | 3.53 in | 48.9°F | 28.0°F | 3.17 in |
| April | 62.6°F | 37.7°F | 3.90 in | 62.3°F | 37.8°F | 4.08 in |
| May | 73.0°F | 48.4°F | 3.78 in | 72.8°F | 49.1°F | 4.08 in |
| June | 81.1°F | 57.1°F | 4.43 in | 81.2°F | 58.9°F | 4.70 in |
| July | 84.8°F | 61.4°F | 4.13 in | 84.3°F | 62.1°F | 4.57 in |
| August | 83.3°F | 59.4°F | 4.06 in | 83.0°F | 59.8°F | 3.76 in |
| September | 76.5°F | 51.9°F | 3.39 in | 77.9°F | 52.5°F | 3.11 in |
| October | 64.2°F | 40.8°F | 3.28 in | 65.2°F | 41.5°F | 2.89 in |
| November | 51.4°F | 32.2°F | 3.12 in | 51.1°F | 31.5°F | 3.17 in |
| December | 40.5°F | 25.2°F | 3.10 in | 39.6°F | 23.9°F | 2.92 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 →