May Weather in Italy, United States

Last updated: June 24, 2025

In May, the average temperature in Italy, United States hovers around 24°C (75°F). Temperatures can fluctuate significantly, with minimums dipping to 7°C (45°F) and maximums soaring up to 35°C (96°F). Expect around 180 mm (7.1 in) of precipitation spread over 13 days, contributing to a notably high average humidity of 81%.

May Temperature in Italy

In May in Italy, the average temperature is 24°C (75°F), with maximums reaching 35°C (96°F) and minimums dipping as low as 7°C (45°F). This variation in temperature makes Italy an ideal destination for travelers seeking both warmth and cooler evenings.

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

The chart illustrates May temperature patterns in Italy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Italy, May typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 7°C (45°F).

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

May Precipitation in Italy

In Italy in May, the precipitation amount is 180 mm (7.1 in) spread over 13 days.

May Precipitation Trends in Italy

The chart displays monthly precipitation patterns in Italy, 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 Italy, May typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 13 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 Italy

In Italy in May humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

May Average Humidity in Italy

This chart illustrates the average monthly humidity levels in Italy, 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 Italy is approximately 81%, 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 Italy

In Italy 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 Italy.

Maximum UV Index Levels in Italy for May

The chart shows the monthly maximum UV Index (UVI) for Italy 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 Italy typically reaches 11, which falls under the extreme exposure category.

Data source: Italy 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 Italy Compares to Other Months

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

This table compares monthly weather conditions in Italy, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	61 mm (2.4 inches)	80%	moderate
February Weather	10°C (50°F)	97 mm (3.8 inches)	79%	high
March Weather	16°C (61°F)	90 mm (3.5 inches)	78%	very high
April Weather	19°C (66°F)	121 mm (4.8 inches)	78%	very high
May Weather	24°C (75°F)	180 mm (7.1 inches)	81%	extreme
June Weather	27°C (82°F)	87 mm (3.4 inches)	78%	extreme
July Weather	29°C (85°F)	65 mm (2.6 inches)	73%	extreme
August Weather	29°C (85°F)	99 mm (3.9 inches)	66%	extreme
September Weather	26°C (80°F)	79 mm (3.1 inches)	65%	very high
October Weather	20°C (69°F)	139 mm (5.5 inches)	72%	very high
November Weather	14°C (58°F)	50 mm (2.0 inches)	82%	high
December Weather	11°C (53°F)	64 mm (2.5 inches)	87%	moderate