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May Weather in Isernia, Italy

Last updated: August 23, 2025

In Isernia, Italy, the average temperature in May hovers around 14°C (58°F). Expect a minimum of 1°C (35°F) and a comfortable maximum of 27°C (81°F). During this month, precipitation averages 109 mm (4.3 in) across 15 days, contributing to an average humidity of 70%.

May Temperature in Isernia

In May in Isernia, the average temperature is 14°C (58°F). Maximums can reach 27°C (81°F) and minimums can be as low as 1°C (35°F). This varied climate makes Isernia an ideal destination for travelers looking to experience a mix of pleasant warm days and cooler nights.

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

The chart illustrates May temperature patterns in Isernia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isernia, May typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (81°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec384345515867727364564942
Data source: Temperature data for Isernia 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 Isernia

In Isernia in May, the precipitation amount is 109 mm (4.3 in) spread over 15 days.

May Precipitation Trends in Isernia

The chart displays monthly precipitation patterns in Isernia, 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 Isernia, May typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec901271099210975483881104225170
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Isernia

In Isernia in May, humidity is 70%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace that can make outdoor activities feel sticky and exhausting, potentially limiting your exploration to cooler hours of the day.

May Average Humidity in Isernia

This chart illustrates the average monthly humidity levels in Isernia, 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 Isernia is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Isernia

In Isernia 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 Isernia.

Maximum UV Index Levels in Isernia for May

The chart shows the monthly maximum UV Index (UVI) for Isernia 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 Isernia typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Isernia 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 Isernia Compares to Other Months

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

This table compares monthly weather conditions in Isernia, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)90 mm (3.5 inches)84%moderate
February Weather6°C (43°F)127 mm (5.0 inches)76%moderate
March Weather7°C (45°F)109 mm (4.3 inches)69%high
April Weather10°C (51°F)92 mm (3.6 inches)70%very high
May Weather14°C (58°F)109 mm (4.3 inches)70%very high
June Weather19°C (67°F)75 mm (3.0 inches)61%very high
July Weather22°C (72°F)48 mm (1.9 inches)57%very high
August Weather23°C (73°F)38 mm (1.5 inches)53%very high
September Weather18°C (65°F)81 mm (3.2 inches)65%very high
October Weather13°C (56°F)104 mm (4.1 inches)75%high
November Weather10°C (50°F)225 mm (8.8 inches)81%moderate
December Weather5°C (42°F)170 mm (6.7 inches)84%low

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