August in Costa Teguise is the sunniest month of the year. In August, the weather in Costa Teguise is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Costa Teguise has 19 sunny, 11 partly cloudy, and 1 cloudy day in August. August as well as July, September, and October is considered the most comfortable time to visit Costa Teguise.