Planning for the weather is a good way to make your trip to Villarrica relaxing and enjoyable, especially when you’re splurging. The hottest months are usually January and February with an average temp of 59°F, while the coldest months are July and August with an average of 43°F. The rainiest months in Villarrica are June, August, July, and May, with each month seeing an average of 14 inches of rainfall.