Costa Rica has two official seasons, the dry season (commonly referred to as summer) and the green season (referred to as the rainy season). The dry season for the western and central regions of the country runs from late November to May. The rainy season runs from May through late November. Liberia and Guanacaste Province are drier in general than the rest of the country. The best time to visit is during the transition months of December and April, when the landscape retains some of the lush green vegetation it’s famous for.  During the late summer months, many native tree species in the province bloom. The riot of brilliant reds and golds are a site to see. This period coincides with several festivals and celebrations in the area.