Szentkirályszabadja's climate is classified as oceanic climate (Köppen Cfb). The annual average temperature is , the hottest month in July is , and the coldest month is  in January.
The annual precipitation is , of which June is the wettest with , while March is the driest with only . The extreme temperature throughout the year ranged from  on December 31, 1996 to  on July 20, 2007.