The purpose of this book is to offer a foundational knowledge of the terminology used in agricultural meteorology for both postgraduate and undergraduate students, as well as scientists engaged in research in this field. The book has been meticulously designed to provide students with a comprehensive understanding of all the essential concepts and definitions in Agrometeorology. Furthermore, the book also contains relevant terms from related fields such as soils, agronomy, plant physiology, and hydrology. It is important to note that this book aims to equip students with a solid grasp of the terminology used in agricultural meteorology, and as such, any changes to the content, including citations and references, are not permitted.