Sarajevo has either a humid continental climate (Köppen climate classification: '''Dfb'''), or an oceanic climate (Köppen climate classification: '''Cfb'''), depending on if either the 0 °C or the -3 °C isotherms are used. Sarajevo's climate exhibits four seasons and uniformly spread precipitation, typical of both Cfb and Dfb climates. The proximity of the Adriatic Sea moderates Sarajevo's climate somewhat, although the mountains to the south of the city greatly reduce this maritime influence. The average yearly temperature is , with January ( on average) being the coldest month of the year and July ( on average) the warmest.