May Weather in Demo, Italy

Last updated: August 23, 2025

In May, the average temperature in Demo, Italy hovers around 9°C (48°F). Expect some variability, with minimum temperatures dipping to -8°C (18°F) and highs reaching 20°C (69°F). During this month, precipitation amounts to 227 mm (8.9 in) over approximately 24 days, while the average humidity stays around 70%.

May Temperature in Demo

In May in Demo, the average temperature is 9°C (48°F), with maximums reaching up to 20°C (69°F) and minimums plummeting as low as -8°C (18°F). This variety in temperature makes it essential to pack layers and be prepared for both mild and chilly conditions while traveling.

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

The chart illustrates May temperature patterns in Demo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Demo, May typically has an average temperature of 9°C (48°F), with highs reaching up to 20°C (69°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec232933414857595952453526
Data source: Temperature data for Demo 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 Demo

In Demo in May, the precipitation amount is 227 mm (8.9 in) over a span of 24 days.

May Precipitation Trends in Demo

The chart displays monthly precipitation patterns in Demo, 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 Demo, May typically receives around 227 mm (8.9 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec4159107161227212218240172185184119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Demo

In Demo in May, humidity is 70%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that can quickly sap your energy, making outdoor activities less enjoyable and requiring extra layers to stay warm and dry while traveling.

May Average Humidity in Demo

This chart illustrates the average monthly humidity levels in Demo, 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 Demo is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Demo

In Demo in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Demo.

Maximum UV Index Levels in Demo for May

The chart shows the monthly maximum UV Index (UVI) for Demo 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 Demo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Demo 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 Demo Compares to Other Months

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

This table compares monthly weather conditions in Demo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)41 mm (1.6 inches)87%low
February Weather-2°C (29°F)59 mm (2.3 inches)79%moderate
March Weather1°C (34°F)107 mm (4.2 inches)69%high
April Weather5°C (41°F)161 mm (6.3 inches)71%high
May Weather9°C (48°F)227 mm (8.9 inches)70%very high
June Weather14°C (57°F)212 mm (8.4 inches)65%very high
July Weather15°C (59°F)218 mm (8.6 inches)61%very high
August Weather15°C (59°F)240 mm (9.4 inches)54%very high
September Weather11°C (53°F)172 mm (6.8 inches)66%high
October Weather7°C (45°F)185 mm (7.3 inches)83%moderate
November Weather2°C (35°F)183 mm (7.2 inches)88%moderate
December Weather-3°C (26°F)119 mm (4.7 inches)85%low

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