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May Weather in Milan, United States

Last updated: June 24, 2025

In Milan, United States, the average temperature in May reaches a comfortable 18°C (64°F). However, temperatures can vary significantly, with a minimum of 2°C (35°F) and a maximum soaring up to 36°C (97°F). Expect about 169 mm (6.6 in) of precipitation spread over approximately 16 days, contributing to an average humidity of 77%.

May Temperature in Milan

In May in Milan, the average temperature is 18°C (64°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (35°F). Travelers should be prepared for a wide range of temperatures, from warm days to cool nights.

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

The chart illustrates May temperature patterns in Milan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milan, May typically has an average temperature of 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec272943516476797570554134
Data source: Temperature data for Milan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Milan

In Milan in May, the precipitation amount reaches 169 mm (6.6 in) over the course of 16 days.

May Precipitation Trends in Milan

The chart displays monthly precipitation patterns in Milan, 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 Milan, May typically receives around 169 mm (6.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec534810584169124105941091335235
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Milan

In Milan in May humidity is 77%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it feel muggy and potentially uncomfortable for traveling, as sweat clings to your skin and the air thickens around you.

May Average Humidity in Milan

This chart illustrates the average monthly humidity levels in Milan, 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 Milan is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Milan

In Milan in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Milan.

Maximum UV Index Levels in Milan for May

The chart shows the monthly maximum UV Index (UVI) for Milan 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 Milan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111108643
Data source: Milan 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 Milan Compares to Other Months

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

This table compares monthly weather conditions in Milan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)53 mm (2.1 inches)78%moderate
February Weather-2°C (29°F)48 mm (1.9 inches)80%moderate
March Weather6°C (43°F)105 mm (4.1 inches)77%high
April Weather11°C (52°F)84 mm (3.3 inches)77%very high
May Weather18°C (64°F)169 mm (6.6 inches)77%very high
June Weather24°C (76°F)124 mm (4.9 inches)81%extreme
July Weather26°C (79°F)105 mm (4.1 inches)81%extreme
August Weather24°C (75°F)94 mm (3.7 inches)77%very high
September Weather21°C (70°F)108 mm (4.3 inches)73%very high
October Weather13°C (55°F)133 mm (5.2 inches)75%high
November Weather5°C (41°F)52 mm (2.1 inches)85%moderate
December Weather1°C (35°F)35 mm (1.4 inches)83%moderate

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