Jošanička Banja has a moderate continental climate, with slight indications of the humid continental and mountain climate. The climate of the spa is characterized by an average annual temperature of 10.2ºC, an average rainfall of 740 mm, winds mainly blowing the Jošanica basin and lacking a high speed (on average 1.5 m/s), as well as snow falling on average for 60 days and reaching an average height of 15,5 cm.

Jošanička Banja is sunny annually on average for 2,150 hours, the longest in the summer months, and the average daily amount of sunshine is over 8 hours. One of the most important elements of the climate is precipitation. Since Jošanička Banja as spa is located in the valley of Kopaonik, precipitation can be seen through rain and snow with snow cover. The most common snowfall is in January, February, March, November and December. The altitude and proximity of Kopaonik create preconditions for the stronger and longer winter with a considerable snow cover. The fog in Jošanička Banja is extremely rare.