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December Weather in Jellico, United States

Last updated: June 24, 2025

In December, the average temperature in Jellico, United States is a cool 6°C (43°F), with a remarkable temperature range that dips to a minimum of -12°C (11°F) and peaks at a maximum of 23°C (73°F). Expect 138 mm (5.4 in) of precipitation over approximately 11 days, contributing to an average humidity of 88%.

December Temperature in Jellico

In December in Jellico, the average temperature is 6°C (43°F). The maximum can reach 23°C (73°F), while the minimum can dip as low as -12°C (11°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates December temperature patterns in Jellico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jellico, December typically has an average temperature of 6°C (43°F), with highs reaching up to 23°C (73°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec384450576772777571614643
Data source: Temperature data for Jellico 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 Jellico

In Jellico in December, the precipitation amount is 138 mm (5.4 in) distributed over 11 days.

December Precipitation Trends in Jellico

The chart displays monthly precipitation patterns in Jellico, 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 Jellico, December typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9918714915113212312314910513377138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jellico

In Jellico in December, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

December Average Humidity in Jellico

This chart illustrates the average monthly humidity levels in Jellico, 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 Jellico is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jellico

In Jellico 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 Jellico, you can check the information here.

Maximum UV Index Levels in Jellico for December

The chart shows the monthly maximum UV Index (UVI) for Jellico 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 Jellico typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Jellico 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 Jellico Compares to Other Months

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

This table compares monthly weather conditions in Jellico, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)98 mm (3.9 inches)88%moderate
February Weather6°C (44°F)187 mm (7.4 inches)88%high
March Weather10°C (50°F)149 mm (5.9 inches)87%very high
April Weather14°C (57°F)151 mm (5.9 inches)84%very high
May Weather19°C (67°F)132 mm (5.2 inches)84%extreme
June Weather22°C (73°F)123 mm (4.9 inches)83%extreme
July Weather25°C (77°F)123 mm (4.9 inches)79%extreme
August Weather24°C (75°F)149 mm (5.9 inches)66%very high
September Weather22°C (71°F)105 mm (4.1 inches)67%very high
October Weather16°C (61°F)133 mm (5.2 inches)76%high
November Weather8°C (47°F)77 mm (3.0 inches)89%moderate
December Weather6°C (43°F)138 mm (5.4 inches)88%moderate

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