La Plagne by month. While there are no hard and fast rules and winters vary from year, we’ve made multiple snow reports from La Plagne over the years. For a guide to the kinds of conditions you can expect, take a look at the La Plagne winter pages below to help plan La Plagne ski holiday. Remember, due to the resort’s popularity (La Plagne is the world’s busiest and most popular ski area), if possible you should try avoid the school holidays when it often feels like the entire world descends on the resort.