December Weather in Jackson, United States

Last updated: June 24, 2025

In Jackson, United States, the average temperature in December is a mild 10°C (50°F), with minima dipping to -5°C (24°F) and maxima soaring to 25°C (77°F). Expect about 132 mm (5.2 in) of precipitation over 11 days, and be prepared for high humidity levels averaging a comfortable 89%.

December Temperature in Jackson

In December in Jackson, the average temperature is 10°C (50°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -5°C (24°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort.

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 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Jackson generated using information from the Copernicus Climate Change Service.

December Precipitation in Jackson

In Jackson in December, the precipitation amount is 132 mm (5.2 in), which occurs over a span of 11 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 132 mm (5.2 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Jackson

In Jackson in December, humidity is 89%. With an average temperature of 10°C (50°F), this humidity feels like a dense blanket wrapping around you, making travel feel damp and chilly, and urging you to dress in layers for comfort.

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 89%, offering insight into how humid the weather typically is during this month.

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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Jackson for better planning.

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 4, which falls under the moderate exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	103 mm (4.1 inches)	86%	moderate
February Weather	12°C (53°F)	126 mm (5.0 inches)	84%	high
March Weather	14°C (58°F)	94 mm (3.7 inches)	83%	very high
April Weather	18°C (64°F)	107 mm (4.2 inches)	81%	very high
May Weather	22°C (72°F)	96 mm (3.8 inches)	81%	extreme
June Weather	25°C (78°F)	122 mm (4.8 inches)	81%	extreme
July Weather	27°C (80°F)	110 mm (4.3 inches)	83%	extreme
August Weather	26°C (80°F)	136 mm (5.4 inches)	81%	very high
September Weather	24°C (76°F)	105 mm (4.1 inches)	82%	very high
October Weather	20°C (68°F)	108 mm (4.2 inches)	78%	very high
November Weather	12°C (54°F)	78 mm (3.1 inches)	86%	high
December Weather	10°C (50°F)	132 mm (5.2 inches)	89%	moderate