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May Weather in Milan, United States

Last updated: June 24, 2025

In Milan, United States, the average temperature in May hovers around 19°C (66°F), but be prepared for a range that can dip to a chilly -1°C (31°F) or soar up to a warm 33°C (91°F). Expect 127 mm (5.0 in) of precipitation spread over approximately 15 days, combined with an average humidity of 79%. Whether you're packing for warmth or rain, it's wise to be ready for anything!

May Temperature in Milan

In May in Milan, the average temperature is 19°C (66°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as -1°C (31°F). This makes Milan a great destination for travelers looking to experience diverse weather conditions and plan their activities accordingly.

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 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec333745546673777570594338
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 127 mm (5.0 in) distributed over 15 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 127 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8611714012712714811110390100102109
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 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
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 Weather0°C (33°F)86 mm (3.4 inches)87%moderate
February Weather3°C (37°F)117 mm (4.6 inches)85%moderate
March Weather7°C (45°F)140 mm (5.5 inches)86%high
April Weather12°C (54°F)127 mm (5.0 inches)84%very high
May Weather19°C (66°F)127 mm (5.0 inches)79%very high
June Weather23°C (73°F)148 mm (5.8 inches)82%very high
July Weather25°C (77°F)111 mm (4.4 inches)79%very high
August Weather24°C (75°F)103 mm (4.1 inches)70%very high
September Weather21°C (70°F)90 mm (3.5 inches)69%very high
October Weather15°C (59°F)100 mm (3.9 inches)76%high
November Weather6°C (44°F)102 mm (4.0 inches)88%moderate
December Weather4°C (39°F)109 mm (4.3 inches)87%moderate

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