Natural snow · December

Portillo snow in December

Over the last 11 winters, mid-mountain (2,945 m) at Portillo had 30 cm or more of modelled natural snow on 0% of December days. The summit (3,310 m) reached 37%, the village (2,580 m) 0%.

Questions

Is there snow in Portillo in December?

Rarely, as natural snow. Mid-mountain had 30 cm or more of modelled natural snow on 0% of December days over the last 11 winters, before any snowmaking.

Early or late December for snow at Portillo?

The first and second halves of December have been about as reliable as each other (0% and 0%).

How many recent winters had reliable snow at Portillo in December?

0 of the last 11. In those winters mid-mountain had 30 cm or more of natural snow on at least 90% of December days. Eleven winters show how much one season differs from the next, not a long-term trend.

Does this include snowmaking?

No. These figures are modelled natural snow only, so groomed pistes often ski better than this.

Snow is modelled from eleven winters of ERA5 weather data, natural snow only. It ignores snowmaking, grooming and wind, so use it to compare places, dates and heights, not as a guarantee. Always check local avalanche bulletins before going off-piste.

Weather and live snowfall: Open-Meteo (ERA5, Copernicus). Terrain: AWS Terrain Tiles. Basemap: OpenFreeMap, © OpenMapTiles. Ski areas, pistes and lifts: OpenSkiMap, © OpenStreetMap contributors (ODbL). Satellite view: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0).

© 2026 Methodis Ltd