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May Weather in Milan, United States

Last updated: June 24, 2025

In May, the average temperature in Milan, United States hovers around 21°C (71°F). Expect a minimum of 4°C (39°F) and a maximum of 34°C (93°F), making for a varied climate. With 112 mm (4.4 in) of precipitation spread across 12 days, humidity remains high at an average of 83%.

May Temperature in Milan

In May in Milan, the average temperature is 21°C (71°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (39°F). It's a great time for travelers to experience a pleasant blend of warmth and cooler evenings in Milan.

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 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec404453597177817875634945
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 total precipitation amount is 112 mm (4.4 in), falling over the course of 12 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 112 mm (4.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10016717015311211213011410812394139
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 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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 Weather5°C (41°F)100 mm (3.9 inches)86%moderate
February Weather7°C (44°F)167 mm (6.6 inches)85%high
March Weather12°C (53°F)170 mm (6.7 inches)84%high
April Weather15°C (60°F)153 mm (6.0 inches)81%very high
May Weather21°C (71°F)112 mm (4.4 inches)83%extreme
June Weather25°C (78°F)112 mm (4.4 inches)83%extreme
July Weather27°C (81°F)130 mm (5.1 inches)80%extreme
August Weather26°C (79°F)114 mm (4.5 inches)73%very high
September Weather24°C (75°F)108 mm (4.3 inches)70%very high
October Weather17°C (64°F)123 mm (4.8 inches)73%high
November Weather9°C (49°F)93 mm (3.7 inches)85%moderate
December Weather7°C (46°F)139 mm (5.5 inches)88%moderate

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