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April Weather in Isernia, Italy

Last updated: August 23, 2025

In April, the average temperature in Isernia, Italy hovers around 10°C (51°F). Expect a range that can dip to a brisk -5°C (24°F) or climb to a warm 25°C (77°F). This month also brings 92 mm (3.6 in) of precipitation spread over 13 days, contributing to an average humidity of 70%. Perfect for cozy indoor activities or unexpected outdoor adventures!

April Temperature in Isernia

In April in Isernia, the average temperature is 10°C (51°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -5°C (24°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates April 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, April typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (77°F) and lows dropping to around -5°C (24°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.

April Precipitation in Isernia

In Isernia in April, the precipitation amount is 92 mm (3.6 in) spread over 13 days.

April Precipitation Trends in Isernia

The chart displays monthly precipitation patterns in Isernia, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Isernia, April typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec901271099210975483881104225170
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Isernia

In Isernia in April, humidity is 70%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that penetrates your layers, making outdoor adventures feel much colder than they appear and leaving you longing for a cozy café to escape the clammy air.

April Average Humidity in Isernia

This chart illustrates the average monthly humidity levels in Isernia, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Isernia

In Isernia in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Isernia.

Maximum UV Index Levels in Isernia for April

The chart shows the monthly maximum UV Index (UVI) for Isernia in April, 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 April, the maximum UV index in Isernia typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Isernia April 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 April 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 April’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 April’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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