Weather is probably a major factor when you plan your trip to Valencia, and keep 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 temp of 75°F, while the coldest months are February and January with an average of 72°F. The rainiest months in Valencia are May, June, July, and October, with each month seeing an average of 14 inches of rainfall.