Climate twins of Purcellville, VA
These are the US cities whose 12-month climate pattern most closely matches Purcellville'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: Purcellville vs its climate twin
Top match: Trenton, NJ
| Month | Purcellville | Trenton | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 41.0°F | 24.5°F | 3.05 in | 39.7°F | 24.3°F | 3.29 in |
| February | 44.0°F | 25.9°F | 2.56 in | 42.8°F | 25.9°F | 2.65 in |
| March | 52.6°F | 32.3°F | 3.61 in | 50.8°F | 32.7°F | 4.00 in |
| April | 64.5°F | 42.2°F | 3.54 in | 62.9°F | 42.1°F | 3.63 in |
| May | 72.9°F | 51.6°F | 4.35 in | 72.4°F | 51.6°F | 3.99 in |
| June | 81.4°F | 61.1°F | 4.25 in | 81.0°F | 60.9°F | 4.35 in |
| July | 86.4°F | 65.5°F | 4.08 in | 86.0°F | 66.6°F | 4.42 in |
| August | 84.7°F | 63.9°F | 3.57 in | 84.0°F | 64.8°F | 4.22 in |
| September | 77.8°F | 56.1°F | 4.77 in | 77.1°F | 57.7°F | 4.05 in |
| October | 66.3°F | 44.3°F | 3.52 in | 65.5°F | 45.9°F | 3.79 in |
| November | 54.9°F | 34.5°F | 3.13 in | 54.5°F | 36.3°F | 3.20 in |
| December | 44.7°F | 28.4°F | 3.35 in | 44.4°F | 29.3°F | 4.04 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 →