Weather In Rome In May 2024 Celsius. Get the monthly weather forecast for roma, lazio, italy, including daily high/low, historical averages, to help you plan ahead. Spring welcomes mild weather in rome with warming temperatures from as low as 5.2°c (41.4°f) in march to as high as 22.8°c (73°f) in may.
Average daily temperature in rome in may: See all nearby weather stations.