May Weather in Roma, United States

Last updated: June 24, 2025

In May, the average temperature in Roma, United States hovers around 29°C (84°F). Expect a range from a cool 15°C (59°F) to a scorching 44°C (111°F). During this month, precipitation typically reaches 67 mm (2.6 in) over 7 days, contributing to an average humidity of 80%. Embrace the warmth while staying hydrated!

May Temperature in Roma

In May in Roma, the average temperature is 29°C (84°F). Maximum temperatures can reach as high as 44°C (111°F), while the minimum can drop to as low as 15°C (59°F). Be prepared for a range of temperatures during your travels, so pack accordingly to ensure your comfort.

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

The chart illustrates May temperature patterns in Roma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roma, May typically has an average temperature of 29°C (84°F), with highs reaching up to 44°C (111°F) and lows dropping to around 15°C (59°F).

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

May Precipitation in Roma

In Roma in May, the total precipitation amount is 67 mm (2.6 in) over a span of 7 days.

May Precipitation Trends in Roma

The chart displays monthly precipitation patterns in Roma, 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 Roma, May typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 7 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 Roma

In Roma in May, humidity is 80%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, as sweat clings to your skin and every step requires extra effort.

May Average Humidity in Roma

This chart illustrates the average monthly humidity levels in Roma, 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 Roma is approximately 80%, 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 Roma

In Roma in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Roma.

Maximum UV Index Levels in Roma for May

The chart shows the monthly maximum UV Index (UVI) for Roma 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 Roma typically reaches 12, which falls under the extreme exposure category.

Data source: Roma 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 Roma Compares to Other Months

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

This table compares monthly weather conditions in Roma, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	16 mm (0.6 inches)	83%	high
February Weather	18°C (65°F)	23 mm (0.9 inches)	79%	very high
March Weather	23°C (73°F)	32 mm (1.2 inches)	76%	very high
April Weather	26°C (78°F)	37 mm (1.4 inches)	77%	extreme
May Weather	29°C (84°F)	67 mm (2.6 inches)	80%	extreme
June Weather	30°C (87°F)	66 mm (2.6 inches)	73%	extreme
July Weather	31°C (88°F)	69 mm (2.7 inches)	66%	extreme
August Weather	32°C (89°F)	13 mm (0.5 inches)	65%	extreme
September Weather	29°C (84°F)	110 mm (4.3 inches)	73%	extreme
October Weather	25°C (78°F)	38 mm (1.5 inches)	76%	very high
November Weather	20°C (69°F)	36 mm (1.4 inches)	80%	high
December Weather	17°C (64°F)	20 mm (0.8 inches)	86%	high