January Weather in Jackson, United States

Last updated: June 24, 2025

In January, the average temperature in Jackson, United States hovers around 2°C (35°F). Expect a chilly minimum of -18°C (0°F) and a pleasant maximum reaching up to 21°C (69°F). Precipitation is quite notable, with about 96 mm (3.8 in) falling over 8 days, contributing to an averaging humidity of 86%. Dress warmly and prepare for some damp days!

January Temperature in Jackson

In January in Jackson, the average temperature is 2°C (35°F). Maximum temperatures can reach 21°C (69°F), while minimums can drop as low as -18°C (0°F). Be prepared for a wide range of temperatures during your travels, making it essential to pack accordingly.

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

The chart illustrates January 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, January typically has an average temperature of 2°C (35°F), with highs reaching up to 21°C (69°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Jackson

In Jackson in January, the precipitation amount is 96 mm (3.8 in) over the course of 8 days.

January Precipitation Trends in Jackson

The chart displays monthly precipitation patterns in Jackson, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Jackson, January typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Jackson

In Jackson in January humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.

January Average Humidity in Jackson

This chart illustrates the average monthly humidity levels in Jackson, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Jackson is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Jackson

In Jackson in January, 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 January

The chart shows the monthly maximum UV Index (UVI) for Jackson in January, 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 January, the maximum UV index in Jackson typically reaches 3, which falls under the moderate exposure category.

Data source: Jackson January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	96 mm (3.8 inches)	86%	moderate
February Weather	4°C (39°F)	112 mm (4.4 inches)	84%	high
March Weather	9°C (49°F)	148 mm (5.8 inches)	84%	high
April Weather	13°C (56°F)	154 mm (6.0 inches)	80%	very high
May Weather	20°C (68°F)	148 mm (5.8 inches)	82%	extreme
June Weather	25°C (77°F)	84 mm (3.3 inches)	83%	extreme
July Weather	27°C (80°F)	97 mm (3.8 inches)	79%	very high
August Weather	25°C (77°F)	106 mm (4.2 inches)	76%	very high
September Weather	23°C (73°F)	74 mm (2.9 inches)	75%	very high
October Weather	16°C (60°F)	123 mm (4.9 inches)	74%	high
November Weather	7°C (46°F)	88 mm (3.5 inches)	85%	moderate
December Weather	5°C (41°F)	79 mm (3.1 inches)	88%	moderate