May Weather in Alto, Italy

Last updated: August 23, 2025

In May, the average temperature in Alto, Italy hovers around 15°C (59°F), with a comfortable range from a minimum of 6°C (43°F) to a pleasant maximum of 27°C (80°F). Visitors can expect 105 mm (4.1 in) of precipitation over approximately 16 days, contributing to an average humidity level of 75%. Be prepared for a mix of weather while enjoying this charming locale!

May Temperature in Alto

In May in Alto, the average temperature is 15°C (59°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop as low as 6°C (43°F). This variety in temperatures makes it essential to pack layers for a comfortable and enjoyable trip.

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

The chart illustrates May temperature patterns in Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alto, May typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (80°F) and lows dropping to around 6°C (43°F).

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

May Precipitation in Alto

In Alto in May, the precipitation amount is 105 mm (4.1 in) over a span of 16 days.

May Precipitation Trends in Alto

The chart displays monthly precipitation patterns in Alto, 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 Alto, May typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 16 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 Alto

In Alto in May, humidity is 75%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it feel more oppressive than refreshing, which can be a challenge for travelers seeking comfort while exploring the area.

May Average Humidity in Alto

This chart illustrates the average monthly humidity levels in Alto, 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 Alto is approximately 75%, 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 Alto

In Alto in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Alto.

Maximum UV Index Levels in Alto for May

The chart shows the monthly maximum UV Index (UVI) for Alto 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 Alto typically reaches 8, which falls under the very high exposure category.

Data source: Alto 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 Alto Compares to Other Months

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

This table compares monthly weather conditions in Alto, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	61 mm (2.4 inches)	80%	low
February Weather	8°C (46°F)	53 mm (2.1 inches)	72%	moderate
March Weather	9°C (48°F)	83 mm (3.3 inches)	69%	high
April Weather	12°C (53°F)	93 mm (3.7 inches)	74%	high
May Weather	15°C (59°F)	105 mm (4.1 inches)	75%	very high
June Weather	19°C (67°F)	71 mm (2.8 inches)	72%	very high
July Weather	22°C (71°F)	76 mm (3.0 inches)	69%	very high
August Weather	22°C (72°F)	47 mm (1.9 inches)	68%	very high
September Weather	19°C (66°F)	81 mm (3.2 inches)	70%	high
October Weather	15°C (59°F)	117 mm (4.6 inches)	77%	moderate
November Weather	10°C (51°F)	167 mm (6.6 inches)	80%	moderate
December Weather	7°C (45°F)	106 mm (4.2 inches)	76%	low