July in L'Ancienne-Lorette is the warmest month of the year. In July, the weather in L'Ancienne-Lorette is typically warm. Average daily high temperature in July is about 21 degrees above zero. On average, L'Ancienne-Lorette has 12 sunny, 11 partly cloudy, and 8 rainy days in July. The rains are usually moderate. July as well as August is considered the most comfortable time to visit L'Ancienne-Lorette.