Rasht is a city in the Central District of Rasht County, Gilan province, in Iran. Rasht serves as capital of the province, the county, and the district. The city is also known as the "City of Rain" and, with a population of 679,995 in 2016, is the most populous city of northern Iran.

A humid subtropical climate is a temperate climate type characterized by hot and humid summers, and cool to mild winters. These climates normally lie on the southeast side of all continents, generally between latitudes 25° and 40° and are located poleward from adjacent tropical climates, and equatorward from either humid continental or oceanic climates. It is also known as warm temperate climate in some climate classifications.