Fiumicino's climate is characterized by mild winters with temperatures rarely dropping below 0°C, and warm summers with occasional heatwaves above 30°C. Spring arrives in late March, bringing rising temperatures up to 27°C, while autumn begins in September with a similar temperature range, gradually cooling down by November. Summer months from June to August are the hottest, with average highs around 25-26°C, although occasional peaks can reach up to 39°C. Winters are generally cool but not cold, with temperatures averaging around 10-11°C throughout January and December. Overall, Fiumicino enjoys a pleasant Mediterranean climate, with moderate temperatures year-round.