Planning for the weather is an important factor for making your trip to Las Chilcas a success, especially when you're splurging. The hottest months are usually January and February, with an average temperature of 15°C, while the coldest months are July and August, with an average of 5°C. The rainiest months in Las Chilcas are June, August, July and May, with each month seeing an average of 437 mm of rainfall.