Planning for the weather is a good way to make your trip to Coyhaique relaxing and enjoyable, especially when you’re splurging. The hottest months are usually February and January, with an average temperature of 10°C, while the coldest months are July and June, with an average of 1°C. The rainiest months in Coyhaique are June, August, May and July, with each month seeing an average of 257 mm of rainfall.