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December Weather in Rionero Sannitico, Italy

Last updated: August 23, 2025

In Rionero Sannitico, Italy, the average temperature in December hovers around 4°C (39°F). Minimum temperatures can drop to a chilly -7°C (20°F), while the maximum can reach a mild 13°C (56°F). Expect 116 mm (4.5 in) of precipitation spread across 13 days, accompanied by an average humidity of 84%.

December Temperature in Rionero Sannitico

In December in Rionero Sannitico, the average temperature is 4°C (39°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -7°C (20°F). Travelers should prepare for chilly weather and pack accordingly for both mild and cold conditions.

December Weather in Rionero Sannitico: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rionero Sannitico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rionero Sannitico, December typically has an average temperature of 4°C (39°F), with highs reaching up to 13°C (56°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec354041485564686961534639
Data source: Temperature data for Rionero Sannitico 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.

December Precipitation in Rionero Sannitico

In Rionero Sannitico in December, the precipitation amount is 116 mm (4.5 in) spread over 13 days.

December Precipitation Trends in Rionero Sannitico

The chart displays monthly precipitation patterns in Rionero Sannitico, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Rionero Sannitico, December typically receives around 116 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec879496851146661487095166116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rionero Sannitico

In Rionero Sannitico in December, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

December Average Humidity in Rionero Sannitico

This chart illustrates the average monthly humidity levels in Rionero Sannitico, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Rionero Sannitico is approximately 84%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Rionero Sannitico

In Rionero Sannitico in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Rionero Sannitico, you can visit Hourly UV Index in Rionero Sannitico.

Maximum UV Index Levels in Rionero Sannitico for December

The chart shows the monthly maximum UV Index (UVI) for Rionero Sannitico in December, 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 December, the maximum UV index in Rionero Sannitico typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Rionero Sannitico December 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 December Weather in Rionero Sannitico Compares to Other Months

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

This table compares monthly weather conditions in Rionero Sannitico, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)87 mm (3.4 inches)84%moderate
February Weather4°C (40°F)94 mm (3.7 inches)76%moderate
March Weather5°C (41°F)96 mm (3.8 inches)69%high
April Weather9°C (48°F)85 mm (3.4 inches)70%very high
May Weather13°C (55°F)114 mm (4.5 inches)70%very high
June Weather18°C (64°F)66 mm (2.6 inches)61%very high
July Weather20°C (68°F)61 mm (2.4 inches)57%very high
August Weather21°C (70°F)48 mm (1.9 inches)53%very high
September Weather16°C (61°F)70 mm (2.8 inches)65%very high
October Weather12°C (53°F)95 mm (3.7 inches)75%high
November Weather8°C (47°F)166 mm (6.5 inches)81%moderate
December Weather4°C (39°F)116 mm (4.5 inches)84%low

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