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December Weather in Siliana, Tunisia

Last updated: August 31, 2025

In Siliana, Tunisia, the average temperature in December hovers around 9°C (49°F). Expect a minimum chill of 0°C (32°F) and a pleasant maximum of 20°C (69°F). You'll encounter about 32 mm (1.2 in) of precipitation spread across 7 days, with an average humidity level of 66%. Perfect for cozy days indoors or refreshing strolls!

December Temperature in Siliana

In December in Siliana, the average temperature is 9°C (49°F), with maximums reaching up to 20°C (69°F) and minimums dropping as low as 0°C (32°F). It’s advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates December temperature patterns in Siliana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siliana, December typically has an average temperature of 9°C (49°F), with highs reaching up to 20°C (69°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464952576675828273635549
Data source: Temperature data for Siliana 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 Siliana

In Siliana in December, the precipitation amount is 32 mm (1.2 in) over the course of 7 days.

December Precipitation Trends in Siliana

The chart displays monthly precipitation patterns in Siliana, 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 Siliana, December typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec21287060402452556433832
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Siliana

In Siliana in December humidity is 66%. With an average temperature of 9°C (49°F), this humidity feels like a cool, damp blanket enveloping you, making outdoor exploration refreshing yet slightly uncomfortable, as it might chill you to the bone despite the moderate temperature.

December Average Humidity in Siliana

This chart illustrates the average monthly humidity levels in Siliana, 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 Siliana is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%64%59%52%45%38%34%35%50%58%61%66%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Siliana

In Siliana in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Siliana, you can check the information here.

Maximum UV Index Levels in Siliana for December

The chart shows the monthly maximum UV Index (UVI) for Siliana 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 Siliana typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4579101211109753
Data source: Siliana 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 Siliana Compares to Other Months

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

This table compares monthly weather conditions in Siliana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)21 mm (0.8 inches)65%moderate
February Weather9°C (49°F)28 mm (1.1 inches)64%moderate
March Weather11°C (52°F)70 mm (2.8 inches)59%high
April Weather14°C (58°F)60 mm (2.4 inches)52%very high
May Weather19°C (66°F)40 mm (1.6 inches)45%very high
June Weather24°C (76°F)23 mm (0.9 inches)38%extreme
July Weather28°C (82°F)5 mm (0.2 inches)34%extreme
August Weather28°C (82°F)25 mm (1.0 inches)35%very high
September Weather23°C (74°F)56 mm (2.2 inches)49%very high
October Weather17°C (63°F)43 mm (1.7 inches)58%high
November Weather13°C (55°F)38 mm (1.5 inches)61%moderate
December Weather9°C (49°F)32 mm (1.2 inches)66%moderate

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