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December Weather in Posta, Italy

Last updated: August 23, 2025

In Posta, Italy, the average temperature in December hovers around 4°C (39°F). Expect brisk days with a minimum dipping to -8°C (17°F) and a maximum reaching 14°C (57°F). During this month, precipitation totals 155 mm (6.1 in) over approximately 12 days, contributing to an average humidity of 86%. Be prepared for wet and chilly conditions!

December Temperature in Posta

In December in Posta, the average temperature is 4°C (39°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -8°C (17°F). Be prepared for chilly days and bundled layers if you're planning to travel during this month.

December Weather in Posta: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Posta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Posta, December typically has an average temperature of 4°C (39°F), with highs reaching up to 14°C (57°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec364042485565707262544739
Data source: Temperature data for Posta 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 Posta

In Posta in December, the total precipitation amount reaches 155 mm (6.1 in) over the course of 12 days.

December Precipitation Trends in Posta

The chart displays monthly precipitation patterns in Posta, 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 Posta, December typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7685101841115328479176148155
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Posta

In Posta in December humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.

December Average Humidity in Posta

This chart illustrates the average monthly humidity levels in Posta, 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 Posta is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Posta

In Posta 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 Posta, you can visit Hourly UV Index in Posta.

Maximum UV Index Levels in Posta for December

The chart shows the monthly maximum UV Index (UVI) for Posta 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 Posta typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34679101098642
Data source: Posta 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 Posta Compares to Other Months

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

This table compares monthly weather conditions in Posta, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)76 mm (3.0 inches)85%moderate
February Weather4°C (40°F)85 mm (3.3 inches)78%moderate
March Weather6°C (42°F)101 mm (4.0 inches)69%high
April Weather9°C (49°F)84 mm (3.3 inches)71%high
May Weather13°C (56°F)111 mm (4.4 inches)71%very high
June Weather18°C (65°F)53 mm (2.1 inches)63%very high
July Weather21°C (70°F)28 mm (1.1 inches)59%very high
August Weather22°C (72°F)47 mm (1.9 inches)54%very high
September Weather17°C (62°F)91 mm (3.6 inches)67%very high
October Weather12°C (54°F)76 mm (3.0 inches)78%high
November Weather8°C (47°F)148 mm (5.8 inches)84%moderate
December Weather4°C (39°F)155 mm (6.1 inches)86%low

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