section_path: Geography/Climate
section_name: Climate
paragraph_text: Climate
  
  Rome has a Mediterranean climate (Köppen climate classification: Csa), with hot, dry summers and mild, humid winters.
  
  Its average annual temperature is above 21 °C (70 °F) during the day and 9 °C (48 °F) at night. In the coldest month, January, the average temperature is 12.6 °C (54.7 °F) during the day and 2.1 °C (35.8 °F) at night. In the warmest month, August, the average temperature is 31.7 °C (89.1 °F) during the day and 17.3 °C (63.1 °F) at night.
  
  December, January and February are the coldest months, with a daily mean temperature of approximately 8 °C (46 °F). Temperatures during these months generally vary between 10 and 15 °C (50 and 59 °F) during the day and between 3 and 5 °C (37 and 41 °F) at night, with colder or warmer spells occurring frequently. Snowfall is rare but not unheard of, with light snow or flurries occurring on some winters, generally without accumulation, and major snowfalls on a very rare occurrence (the most recent ones were in 2018, 2012 and 1986).
  
  The average relative humidity is 75%, varying from 72% in July to 77% in November. Sea temperatures vary from a low of 13.9 °C (57.0 °F) in February to a high of 25.0 °C (77.0 °F) in August.
  
  The highest temperature ever recorded in Rome was 42.9 °C (109.2 °F) on 18 July 2023.