Climate twins of Polk City, IA
These are the US cities whose 12-month climate pattern most closely matches Polk City'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: Polk City vs its climate twin
Top match: North Liberty, IA
| Month | Polk City | North Liberty | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 30.0°F | 13.1°F | 1.01 in | 30.9°F | 14.6°F | 1.04 in |
| February | 35.1°F | 17.3°F | 1.25 in | 35.5°F | 18.5°F | 1.21 in |
| March | 48.6°F | 28.8°F | 2.15 in | 49.5°F | 29.5°F | 2.21 in |
| April | 61.5°F | 40.1°F | 4.00 in | 62.6°F | 40.1°F | 3.76 in |
| May | 71.8°F | 51.8°F | 4.84 in | 73.4°F | 51.7°F | 4.48 in |
| June | 80.9°F | 62.0°F | 5.35 in | 82.6°F | 62.1°F | 5.29 in |
| July | 84.7°F | 65.6°F | 4.27 in | 85.8°F | 65.8°F | 3.91 in |
| August | 82.9°F | 63.6°F | 3.97 in | 83.8°F | 63.3°F | 3.94 in |
| September | 76.2°F | 55.1°F | 3.40 in | 77.5°F | 54.2°F | 3.24 in |
| October | 63.1°F | 42.5°F | 2.51 in | 64.1°F | 42.1°F | 2.98 in |
| November | 47.7°F | 29.9°F | 1.95 in | 49.2°F | 30.4°F | 2.17 in |
| December | 35.2°F | 19.0°F | 1.46 in | 36.3°F | 20.1°F | 1.45 in |
Cities that consider Polk City their climate twin
These US cities have Polk City in their top 3 most-similar list — meaning if you were to move from any of these places, Polk City would feel familiar.
- Glenwood, IA (ranks Polk City #2)
- Pacific Junction, IA (ranks Polk City #2)
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 →