Planning for the weather is a good way to make your trip to Cashmere relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are December and January, with an average of -1°C. The snowiest months in Cashmere are January, December, February and March, with each month seeing an average of 16 cm of snowfall.