Las Leñas weather in December
December in Las Leñas: nice, dry, with clean air — not the best time to visit.
#9 of 12 months in Las Leñas · #568 of 604 destinations to visit in December · comfort 31/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Las Leñas climate normals — December
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 28 mm / 1.1 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 60% | 🍃 comfortable |
| Dew point | 3°C / 38°F | |
| Sunshine | 13.3 h/day | |
| Daylight | 14.5 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.8 cm / 0.3 in | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Las Leñas?
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Las Leñas in December — FAQ
- Is December a good time to visit Las Leñas?
- December in Las Leñas: nice, dry, with clean air — not the best time to visit. It ranks #9 of 12 months for Las Leñas on SeasonMap's comfort score (31/100).
- What is the weather like in Las Leñas in December?
- In December, Las Leñas averages a daily high of 18.7°C and a low of 7°C, with about 27.9 mm of rain over roughly 3.8 rainy days.
- What is the air quality in Las Leñas in December?
- Las Leñas has a mean US Air Quality Index of about 43 in December.