January Weather in Jackson, United States

Last updated: June 24, 2025

In January, the average temperature in Jackson, United States hovers around 10°C (50°F). Expect a wide range, with minimums dipping to -7°C (19°F) and maximums reaching 27°C (80°F). Over the course of the month, expect 90 mm (3.5 in) of precipitation spread across approximately 8 days, contributing to an average humidity level of 86%.

January Temperature in Jackson

In January in Jackson, the average temperature is 10°C (50°F), with maximums reaching 27°C (80°F) and minimums dipping as low as -7°C (19°F). Therefore, it's advisable to pack layers to accommodate the varying temperatures during your travels.

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 10°C (50°F), with highs reaching up to 27°C (80°F) and lows dropping to around -7°C (19°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 90 mm (3.5 in) spread over 8 days, indicating a relatively wet period for the region.

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 90 mm (3.5 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 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

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 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 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 4, 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	10°C (50°F)	90 mm (3.5 inches)	86%	moderate
February Weather	13°C (55°F)	112 mm (4.4 inches)	81%	high
March Weather	15°C (60°F)	75 mm (3.0 inches)	81%	very high
April Weather	19°C (66°F)	113 mm (4.4 inches)	79%	very high
May Weather	24°C (75°F)	97 mm (3.8 inches)	75%	extreme
June Weather	26°C (79°F)	124 mm (4.9 inches)	75%	extreme
July Weather	28°C (82°F)	138 mm (5.4 inches)	80%	extreme
August Weather	27°C (81°F)	143 mm (5.6 inches)	81%	extreme
September Weather	25°C (78°F)	73 mm (2.9 inches)	83%	very high
October Weather	21°C (70°F)	81 mm (3.2 inches)	78%	very high
November Weather	13°C (56°F)	56 mm (2.2 inches)	85%	high
December Weather	11°C (52°F)	120 mm (4.7 inches)	87%	moderate