May Weather in Rome, United States

Last updated: June 24, 2025

In May, the average temperature in Rome, United States hovers around 22°C (72°F), with a minimum of 5°C (42°F) and a maximum reaching up to 36°C (96°F). Expect a total precipitation of 94 mm (3.7 in) spread over 11 days, accompanied by an average humidity of 83%. Plan your activities accordingly to enjoy this vibrant season!

May Temperature in Rome

In May in Rome, the average temperature is 22°C (72°F). The maximum can reach 36°C (96°F) and the minimum can be as low as 5°C (42°F). It's a perfect time to pack both light clothing for the warm days and a jacket for the cooler evenings.

May Weather in Rome: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rome, May typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (96°F) and lows dropping to around 5°C (42°F).

Data source: Temperature data for Rome generated using information from the Copernicus Climate Change Service.

May Precipitation in Rome

In Rome in May, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

May Precipitation Trends in Rome

The chart displays monthly precipitation patterns in Rome, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Rome, May typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Rome

In Rome in May humidity is 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.

May Average Humidity in Rome

This chart illustrates the average monthly humidity levels in Rome, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Rome is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rome

In Rome in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Rome.

Maximum UV Index Levels in Rome for May

The chart shows the monthly maximum UV Index (UVI) for Rome in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Rome typically reaches 11, which falls under the extreme exposure category.

Data source: Rome May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Rome Compares to Other Months

Weather in Rome varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rome, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Rome, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	115 mm (4.5 inches)	87%	moderate
February Weather	10°C (50°F)	179 mm (7.1 inches)	87%	high
March Weather	13°C (56°F)	148 mm (5.8 inches)	85%	very high
April Weather	17°C (62°F)	138 mm (5.4 inches)	82%	very high
May Weather	22°C (72°F)	94 mm (3.7 inches)	83%	extreme
June Weather	25°C (77°F)	120 mm (4.7 inches)	82%	extreme
July Weather	27°C (80°F)	110 mm (4.3 inches)	78%	extreme
August Weather	26°C (79°F)	137 mm (5.4 inches)	67%	extreme
September Weather	24°C (75°F)	106 mm (4.2 inches)	64%	very high
October Weather	19°C (66°F)	130 mm (5.1 inches)	74%	high
November Weather	11°C (52°F)	87 mm (3.4 inches)	87%	high
December Weather	9°C (48°F)	145 mm (5.7 inches)	88%	moderate