The weather in italy in may ranges from unpleasant to perfect depending on the destination. May has maximum daytime temperatures ranging from moderate in cosenza with 12°c (54°f) to warm temperatures in otranto with 25°c (76°f). Nighttime temperatures generally drop to 12°c (54°f) in otranto and 6°c (43°f) in cosenza. Weather in rome in may 2022. Rome weather forecast for may 2022 is based on statistical data. Today’s and tonight’s florence, florence, italy weather forecast, weather conditions and doppler radar from the weather channel and weather. com Weather in italy in may 2022 in celsius. Good american white t shirt shoulder pad / reno volleyball tournament 2022. See all nearby weather stations. This report shows the past weather for siena, providing a weather history for may 2022.