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 March and April with an average temp of 77°F, while the coldest months are January and February with an average of 75°F. The rainiest months in Valencia are July, May, June, and August, with each month seeing an average of 8 inches of rainfall.