Climate twins of Sussex, WI
These are the US cities whose 12-month climate pattern most closely matches Sussex'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: Sussex vs its climate twin
Top match: Zwingle, IA
| Month | Sussex | Zwingle | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 27.6°F | 10.7°F | 1.74 in | 26.5°F | 11.1°F | 1.32 in |
| February | 31.9°F | 13.4°F | 1.85 in | 30.9°F | 15.0°F | 1.57 in |
| March | 43.4°F | 23.4°F | 2.13 in | 44.1°F | 26.3°F | 2.25 in |
| April | 55.6°F | 33.8°F | 3.85 in | 57.7°F | 37.2°F | 4.06 in |
| May | 68.0°F | 45.4°F | 4.13 in | 69.2°F | 48.5°F | 4.30 in |
| June | 78.6°F | 54.4°F | 4.65 in | 78.5°F | 58.6°F | 5.19 in |
| July | 83.1°F | 60.4°F | 4.18 in | 81.5°F | 62.0°F | 4.80 in |
| August | 80.8°F | 59.1°F | 3.69 in | 79.6°F | 60.0°F | 3.95 in |
| September | 72.9°F | 51.0°F | 3.30 in | 72.9°F | 51.8°F | 3.82 in |
| October | 59.9°F | 39.8°F | 2.93 in | 59.9°F | 39.9°F | 2.93 in |
| November | 44.8°F | 27.8°F | 2.25 in | 44.8°F | 28.1°F | 2.21 in |
| December | 32.7°F | 17.5°F | 2.10 in | 31.8°F | 17.2°F | 1.80 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 →