Rome Weather in May
Italy · Mediterranean climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Rome sees average temperatures ranging from a low of 13.6°C (56.5°F) to a high of 24.2°C (75.6°F), with a mean of 18.6°C (65.5°F). Compared to the annual average of 16.7°C (62.1°F), this month is 1.9°C warmer than the yearly norm. Precipitation averages 69.7mm, making it approximately 5.0mm drier than the monthly average of 75.0mm. The city receives an average of 11.6 hours of sunshine per day during May, with relative humidity averaging 69.4%. Wind speeds reach an average maximum of 17.1 km/h. For travelers, this month offers a temperature experience in Rome, with drier-than-average conditions compared to the rest of the year.
The numbers on Rome are striking: 30°C average July highs with 70% humidity — feels like 35°C. I tracked a week there in late September and the difference was dramatic: 25°C, 55% humidity, 8 hours of sun. April-May averages 18-23°C with 50mm of rain — totally manageable. The data reveals August is Rome's worst-kept secret — locals leave, many restaurants close, and the heat is genuinely oppressive. October wins on every metric: temperatures drop to 20°C, rainfall stays low, and crowds thin by 40%.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 13.6°C (56.5°F) | 18.6°C (65.5°F) | 23.4°C (74.1°F) |
| Rainfall | 62.8mm | 69.7mm | 48.8mm |
| Sunshine | 10.8 hrs | 11.6 hrs | 13.2 hrs |
| Humidity | 70.3% | 69.4% | 64.0% |
| Wind | 17.3 km/h | 17.1 km/h | 17.4 km/h |
| Rainy Days | 13.6 | 15.2 | 9.2 |
| Snowfall | 0.2 cm | 0.0 cm | 0.0 cm |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Rome in May, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Rome in May?
The average temperature in Rome during May ranges from 13.6°C (56.5°F) to 24.2°C (75.6°F), with a mean of 18.6°C (65.5°F).
How much does it rain in Rome in May?
Rome receives an average of 69.7mm of precipitation in May, spread across approximately 15.2 rainy days.
What should I pack for Rome in May?
Based on May weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is May a good time to visit Rome?
May is a good time to visit Rome, with comfortable temperatures and manageable rainfall.
Other Months for Rome
Cities with Similar May Climate (Mediterranean)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 41.9°, 12.5°. Timezone: Europe/Rome. Last updated: 2026-07-30.