Weather can make or break a road trip, so we've gathered some data about year-round temperatures in Güiria to help you plan yours. The hottest months are usually September and October, with an average temperature of 28°C, while the coldest months are January and February, with an average of 26°C. The rainiest months in Güiria are November, July, August and June, with each month seeing an average of 230 mm of rainfall.