Austria
Best time to ski in Austria: natural snow month by month
When natural snow has been most reliable at the 4 resorts Cirque models in Austria, month by month, from eleven winters of weather data.
Every resort Cirque models here
Each cell is one month: the share of days with 30 cm or more of modelled natural snow at mid-mountain over the last 11 winters, from brown (often thin) to deep blue (snow-sure). Blank means almost none.
The short answer
The surest time for natural snow in Austria has been January to April. In those months most of the 4 resorts Cirque models here were snow-sure in at least 9 of the last 11 winters, meaning mid-mountain had 30 cm or more of modelled natural snow on at least 90% of days.
Month by month
November: 0 of 4 snow-sure. Surest: Obergurgl (2 of 11), Ischgl (0 of 11) and St. Anton (0 of 11).
December: 0 of 4 snow-sure. Surest: Obergurgl (7 of 11), Ischgl (6 of 11) and St. Anton (3 of 11).
January: 3 of 4 snow-sure. Surest: St. Anton (10 of 11), Ischgl (10 of 11) and Obergurgl (9 of 11).
February: 4 of 4 snow-sure. Surest: St. Anton (11 of 11), Ischgl (11 of 11) and Obergurgl (11 of 11).
March: 3 of 4 snow-sure. Surest: St. Anton (11 of 11), Ischgl (11 of 11) and Obergurgl (11 of 11).
April: 3 of 4 snow-sure. Surest: St. Anton (11 of 11), Ischgl (11 of 11) and Obergurgl (11 of 11).
May: 0 of 4 snow-sure. Surest: Obergurgl (8 of 11), St. Anton (7 of 11) and Ischgl (6 of 11).
June: none snow-sure in any winter. Most natural snow at Obergurgl (23% of days), St. Anton (15% of days), Ischgl (9% of days).
Resort by resort
Ischgl, Austria, 1,377–2,872 m: snow-sure January to April.
Kitzbühel, Austria, 800–2,000 m: snow-sure February.
Obergurgl, Austria, 1,793–3,080 m: snow-sure January to April.
St. Anton, Austria, 1,304–2,811 m: snow-sure January to April.
Questions
When is the best time to ski in Austria?
For natural snow, January to April. That is when the most resorts Cirque models in Austria have been snow-sure over the last 11 winters.
When does natural snow become reliable in Austria?
The first month in which any resort Cirque models here was snow-sure in at least 9 of 11 winters is January. Resorts open on their own dates and many use snowmaking earlier.
Which resort in Austria has the most reliable snow?
Of those Cirque models, St. Anton: mid-mountain was snow-sure in 4 months of the year.
Does this include snowmaking?
No. These are modelled natural snow figures only, from ERA5 weather. Groomed pistes with snowmaking often ski better than this.