Climate twins of Sierra Madre, CA
These are the US cities whose 12-month climate pattern most closely matches Sierra Madre'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: Sierra Madre vs its climate twin
Top match: Clearlake, CA
| Month | Sierra Madre | Clearlake | ||||
|---|---|---|---|---|---|---|
| High | Low | Precip | High | Low | Precip | |
| January | 56.2°F | 38.1°F | 7.73 in | 54.8°F | 32.6°F | 6.19 in |
| February | 54.8°F | 36.6°F | 8.26 in | 57.7°F | 33.7°F | 6.15 in |
| March | 59.2°F | 38.8°F | 5.11 in | 61.6°F | 35.4°F | 3.99 in |
| April | 63.1°F | 41.7°F | 2.05 in | 66.4°F | 39.3°F | 1.99 in |
| May | 69.6°F | 48.2°F | 1.05 in | 72.5°F | 45.0°F | 1.16 in |
| June | 78.5°F | 57.5°F | 0.21 in | 83.2°F | 51.5°F | 0.23 in |
| July | 84.5°F | 64.2°F | 0.21 in | 91.4°F | 55.9°F | 0.01 in |
| August | 85.1°F | 63.9°F | 0.01 in | 90.5°F | 54.3°F | 0.09 in |
| September | 80.9°F | 59.0°F | 0.32 in | 85.4°F | 50.3°F | 0.17 in |
| October | 71.6°F | 51.3°F | 1.31 in | 75.4°F | 43.2°F | 0.91 in |
| November | 62.9°F | 43.4°F | 1.88 in | 63.4°F | 35.6°F | 2.89 in |
| December | 54.6°F | 37.4°F | 4.03 in | 54.8°F | 32.6°F | 6.08 in |
Cities that consider Sierra Madre their climate twin
These US cities have Sierra Madre in their top 3 most-similar list — meaning if you were to move from any of these places, Sierra Madre would feel familiar.
- Plymouth, CA (ranks Sierra Madre #3)
- Ione, CA (ranks Sierra Madre #3)
- Auburn, CA (ranks Sierra Madre #2)
- Lincoln, CA (ranks Sierra Madre #1)
- St. Helena, CA (ranks Sierra Madre #2)
- Calistoga, CA (ranks Sierra Madre #2)
- Windsor, CA (ranks Sierra Madre #2)
- Novato, CA (ranks Sierra Madre #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 →