January Weather in Jackson, United States

Last updated: June 24, 2025

In Jackson, United States during January, the average temperature hovers around 3°C (38°F). Expect chilly conditions with lows dipping to -16°C (4°F) and highs reaching up to 23°C (73°F). Prepare for some rainfall with an average precipitation of 98 mm (3.9 in) spread over 11 days, and stay comfortable with an average humidity of 88%.

January Temperature in Jackson

In January in Jackson, the average temperature is 3°C (38°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -16°C (4°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your visit.

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 3°C (38°F), with highs reaching up to 23°C (73°F) and lows dropping to around -16°C (4°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 total precipitation amount is 98 mm (3.9 in) over the course of 11 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 98 mm (3.9 inches) of precipitation spread over approximately 11 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 88%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

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 88%, 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	3°C (38°F)	98 mm (3.9 inches)	88%	moderate
February Weather	6°C (43°F)	168 mm (6.6 inches)	88%	high
March Weather	9°C (49°F)	126 mm (5.0 inches)	87%	high
April Weather	14°C (57°F)	132 mm (5.2 inches)	84%	very high
May Weather	19°C (67°F)	123 mm (4.8 inches)	84%	very high
June Weather	23°C (73°F)	144 mm (5.7 inches)	83%	extreme
July Weather	25°C (78°F)	105 mm (4.1 inches)	79%	extreme
August Weather	24°C (76°F)	120 mm (4.7 inches)	66%	very high
September Weather	22°C (71°F)	100 mm (3.9 inches)	67%	very high
October Weather	16°C (61°F)	118 mm (4.6 inches)	76%	high
November Weather	8°C (47°F)	72 mm (2.8 inches)	89%	moderate
December Weather	6°C (43°F)	133 mm (5.2 inches)	88%	moderate