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December Weather in Jackson, United States

Last updated: June 24, 2025

In December, the average temperature in Jackson, United States hovers around 5°C (41°F). Prepare for some chilly days, as the temperature can dip as low as -14°C (8°F), while occasionally rising to a pleasant 23°C (74°F). Expect 79 mm (3.1 in) of precipitation spread over about 7 days, contributing to an average humidity of a notably high 88%.

December Temperature in Jackson

In December in Jackson, the average temperature is 5°C (41°F). The maximum can reach 23°C (74°F), while the minimum can dip as low as -14°C (8°F). Be sure to pack layers and prepare for a range of temperatures while exploring Jackson during this time.

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

The chart illustrates December temperature patterns in Jackson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jackson, December typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (74°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849566876807773604541
Data source: Temperature data for Jackson 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 Jackson

In Jackson in December, the total precipitation amount is 79 mm (3.1 in) distributed over a period of 7 days.

December Precipitation Trends in Jackson

The chart displays monthly precipitation patterns in Jackson, 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 Jackson, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec961121481541488497106741238879
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jackson

In Jackson in December humidity is 88%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making it essential to bundle up for your travels, as every breath feels heavy in the air and the landscape appears cloaked in a misty shroud.

December Average Humidity in Jackson

This chart illustrates the average monthly humidity levels in Jackson, 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 Jackson is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jackson

In Jackson 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 Jackson, you can check the information here.

Maximum UV Index Levels in Jackson for December

The chart shows the monthly maximum UV Index (UVI) for Jackson 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 Jackson typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679111110109753
Data source: Jackson 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 Jackson Compares to Other Months

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

This table compares monthly weather conditions in Jackson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)96 mm (3.8 inches)86%moderate
February Weather4°C (39°F)112 mm (4.4 inches)84%high
March Weather9°C (49°F)148 mm (5.8 inches)84%high
April Weather13°C (56°F)154 mm (6.0 inches)80%very high
May Weather20°C (68°F)148 mm (5.8 inches)82%extreme
June Weather25°C (77°F)84 mm (3.3 inches)83%extreme
July Weather27°C (80°F)97 mm (3.8 inches)79%very high
August Weather25°C (77°F)106 mm (4.2 inches)76%very high
September Weather23°C (73°F)74 mm (2.9 inches)75%very high
October Weather16°C (60°F)123 mm (4.9 inches)74%high
November Weather7°C (46°F)88 mm (3.5 inches)85%moderate
December Weather5°C (41°F)79 mm (3.1 inches)88%moderate

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