Weather will likely play an important role when you plan your trip to El Oro de Hidalgo, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May, with an average temperature of 19°C, while the coldest months are January and December, with an average of 15°C. The rainiest months in El Oro de Hidalgo are July, August, September and June, with each month seeing an average of 459 mm of rainfall.