Planning for the weather is a good way to make your trip to La Plagne-Tarentaise relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 13°C, while the coldest months are January and February, with an average of -4°C. The rainiest months in La Plagne-Tarentaise are May, December, January and June, with each month seeing an average of 185 mm of rainfall.