Best time to ski Cerro Castor
For the best snow, ski Cerro Castor in August, July, and September. Those months bring 41% of a typical season's snowfall at the summit, based on 10 seasons of modeled weather data (2015–2025).
Cerro Castor snowfall by month
Share of a typical season's summit snowfall in each month.
Source: Open-Meteo historical weather (ERA5-based reanalysis), July 2015 to June 2025, at 3,468 ft. Weather models undercount total mountain snowfall, so this shows the seasonal pattern, not inch totals. For season totals, see Cerro Castor's website.
How to time your trip
- Deepest snow: August, July, and September get the most snowfall, which usually means the best coverage and the most powder days.
- Main season: months that bring at least 5% of the season's snow are Jun, Jul, Aug, Sep, Oct. Actual opening and closing dates are set by the resort.
- Book on the forecast: history tells you which months are reliable; the 7-day forecast tells you which week. Snow Way ranks every resort on it daily.
Best time to ski other Argentina resorts
Cerro Castor season FAQ
What is the best time to ski Cerro Castor?
For the best snow, ski Cerro Castor in August, July, and September. Those months bring 41% of a typical season's snowfall at the summit, based on 10 seasons of modeled weather data (2015–2025).
What is the snowiest month at Cerro Castor?
August is typically the snowiest month at Cerro Castor, with about 16% of the season's snow.
Does Cerro Castor have good snow in June?
June brings about 11% of Cerro Castor's typical seasonal snowfall, a solid month though not the peak. Check the live forecast before booking.
Is Cerro Castor getting snow right now?
As of Friday, November 6, 2026, Cerro Castor is forecast to get 0.2" of snow at mid-mountain over the next 7 days (1.5" at the summit), ranking #29 of 35 international ski resorts Snow Way tracks. The biggest day is Wednesday, Nov 11 with 0.2". It picked up 0.7" in the last 48 hours. Right now at mid-mountain it's 30°F, overcast, with 4 mph wind.
Cerro Castor snow forecast · Ski resorts in Tierra del Fuego