Climate twins of Berlin, WI
These are the US cities whose 12-month climate pattern most closely matches Berlin'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: Berlin vs its climate twin
Top match: Oak Grove, MN
| Month | Berlin | Oak Grove | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 25.4°F | 8.3°F | 1.39 in | 22.8°F | 5.6°F | 0.87 in |
| February | 29.6°F | 10.8°F | 1.28 in | 28.0°F | 9.6°F | 1.00 in |
| March | 41.0°F | 21.2°F | 2.83 in | 41.0°F | 21.5°F | 1.83 in |
| April | 54.5°F | 33.1°F | 3.57 in | 56.4°F | 34.5°F | 3.32 in |
| May | 67.2°F | 45.8°F | 4.22 in | 69.3°F | 46.9°F | 4.26 in |
| June | 77.0°F | 56.0°F | 4.20 in | 77.0°F | 55.9°F | 4.62 in |
| July | 81.3°F | 59.8°F | 4.51 in | 80.1°F | 61.6°F | 4.79 in |
| August | 79.5°F | 57.8°F | 3.64 in | 78.3°F | 59.1°F | 4.07 in |
| September | 72.1°F | 49.4°F | 3.49 in | 71.2°F | 51.4°F | 3.08 in |
| October | 58.2°F | 37.8°F | 2.74 in | 57.2°F | 38.6°F | 3.10 in |
| November | 42.8°F | 26.1°F | 1.99 in | 40.7°F | 25.0°F | 1.92 in |
| December | 30.9°F | 15.4°F | 1.35 in | 27.4°F | 13.0°F | 1.52 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 →