French Alps · snow history
Chaillol snow history
Chaillol averages about 293 cm of snowfall per season (1 October – 31 May) at the upper mountain, ~1,929 m. The snowiest season since 2017–18 was 2017–18 (499 cm); the leanest was 2022–23 (179 cm).
Season totals
2022–23
179 cm
2021–22
188 cm
2020–21
252 cm
2019–20
357 cm
2018–19
283 cm
2017–18
499 cm
Vertical line: 6-season average.
This season vs average
Season by season
| Season | Snowfall | vs average |
|---|---|---|
| 2022–23 | 179 cm | 61% |
| 2021–22 | 188 cm | 64% |
| 2020–21 | 252 cm | 86% |
| 2019–20 | 357 cm | 122% |
| 2018–19 | 283 cm | 97% |
| 2017–18 | 499 cm | 170% |
Totals are modelled snowfall from the ECMWF IFS analysis archive (via Open-Meteo), downscaled to the upper mountain, summed 1 October – 31 May. Modelled snowfall is not measured snow depth: wind, settling and melt mean the snowpack is always much less than the sum of the snowfall.