The climate in Roma during May can be summarized as mild and reasonably dry.
May is in the fall / autumn in Roma and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 23.1°C 73.5°F |
|---|---|
| Nightly temperature | 8.8°C 47.8°F |
| Average temperature | 15.9°C 60.6°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 42 mm 1.6 ins |
| Rainy days | 7 days |
| Sea temperature | 23.2°C 73.7°F |
| Humidity | 56% |
| Windspeed | 7.9kph 5 mph |
On average May is the 5th driest month of the year in Roma with around 42mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Roma in May 2025.
| Hottest month: | January | 33.6°C 92.5°F |
|---|---|---|
| Driest month: | September | 26mm 1ins |
| Sunniest month: | September | 9.9hrs |
| Coldest month: | July | 19°C 66.2°F |
| Wettest month: | January | 89mm 3.5ins |