Weather will likely play an important role when you plan your trip to San Pablo del Lago, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and October, with an average temperature of 13°C, while the coldest months are August and July, with an average of 13°C. The rainiest months in San Pablo del Lago are April, November, March and February, with each month seeing an average of 280 mm of rainfall.