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December Weather in Sioni, Georgia

Last updated: August 23, 2025

In December, the average temperature in Sioni, Georgia hovers around -7°C (19°F), with minimums plunging to -26°C (-14°F) and a maximum reaching up to 5°C (41°F). During this chilly period, expect about 50 mm (2.0 in) of precipitation spread over 8 days, with humidity levels averaging a notable 87%.

December Temperature in Sioni

In December in Sioni, the average temperature is -7°C (19°F). Maximums can reach 5°C (41°F), while minimums can drop as low as -26°C (-14°F). It's advisable to bundle up and prepare for extreme cold when visiting during this time.

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

The chart illustrates December temperature patterns in Sioni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sioni, December typically has an average temperature of -7°C (19°F), with highs reaching up to 5°C (41°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec141722314051565547372619
Data source: Temperature data for Sioni 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 Sioni

In Sioni in December, the total precipitation amount is 50 mm (2.0 in) spread over 8 days.

December Precipitation Trends in Sioni

The chart displays monthly precipitation patterns in Sioni, 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 Sioni, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec424388104145124967274654750
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sioni

In Sioni in December, humidity is 87%. With an average temperature of -7°C (19°F), this humidity feels like a biting chill that seeps through layers of clothing, making travel outdoors a brisk challenge where each breath hangs in the air as a visible cloud.

December Average Humidity in Sioni

This chart illustrates the average monthly humidity levels in Sioni, 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 Sioni is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%78%76%79%75%60%60%80%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sioni

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

Maximum UV Index Levels in Sioni for December

The chart shows the monthly maximum UV Index (UVI) for Sioni 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 Sioni typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3489101111109642
Data source: Sioni 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 Sioni Compares to Other Months

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

This table compares monthly weather conditions in Sioni, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)42 mm (1.6 inches)85%moderate
February Weather-8°C (17°F)43 mm (1.7 inches)86%moderate
March Weather-6°C (22°F)88 mm (3.5 inches)84%very high
April Weather0°C (32°F)104 mm (4.1 inches)78%very high
May Weather5°C (41°F)145 mm (5.7 inches)76%very high
June Weather10°C (51°F)124 mm (4.9 inches)79%extreme
July Weather13°C (56°F)96 mm (3.8 inches)75%extreme
August Weather13°C (55°F)72 mm (2.8 inches)60%very high
September Weather9°C (48°F)74 mm (2.9 inches)60%very high
October Weather3°C (37°F)65 mm (2.6 inches)80%high
November Weather-3°C (26°F)47 mm (1.8 inches)86%moderate
December Weather-7°C (19°F)50 mm (2.0 inches)87%low

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