The city of Sparta enjoys a sunny and warm Mediterranean climate (Köppen Csa). Winters are mild and cool, while summers tend to be particularly hot. January mean maximum temperatures are around while July and August mean maximum temperatures are around in the city proper. Sparta registers the highest summer average maximum temperatures in Greece and is notorious for its scorching summer heat. In July 2012 the city registered an average maximum temperature of , making it Greece's highest monthly average maximum temperature to date. The highest temperature ever recorded in Sparta is in August 2021. Deltio data
