Weather is probably a major factor when you plan your trip to El Paso, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and March, with an average temperature of 28°C, while the coldest months are November and October, with an average of 26°C. The rainiest months in El Paso are May, October, August and April, with each month seeing an average of 410 mm of rainfall.