December in Santa Fe averages a daily high of 6.5°C with nights around -7.7°C. Expect roughly 4.3 wet days totalling 18mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Santa Fe is April–May.
Based on SANTA FE 2, NM US (8.2km), 1995–2024. 29 years of December data.