In June, the weather in San Miguel de Allende is typically warm. Average daily high temperature in June is about 23 degrees above zero. On average, San Miguel de Allende has 18 rainy, 6 sunny, 4 partly cloudy, and 2 cloudy days in June. The rains are usually heavy. June as well as July, August, and September is considered the most uncomfortable time to visit San Miguel de Allende.