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January Weather in Jackson, United States

Last updated: June 24, 2025

In January, the average temperature in Jackson, United States is a brisk 1°C (34°F). Expect a considerable range, with minimum temperatures dipping to -19°C (-2°F) and maximums soaring to 22°C (72°F). The region also experiences an average of 85 mm (3.4 in) of precipitation over about 10 days, contributing to a notably high average humidity of 88%.

January Temperature in Jackson

In January in Jackson, the average temperature is 1°C (34°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling during this time.

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 1°C (34°F), with highs reaching up to 22°C (72°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec343846546573777570594439
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.

January Precipitation in Jackson

In Jackson in January, the precipitation amount is 85 mm (3.4 in) over the course of 10 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 85 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8512311213012714210611510211281113
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Jackson

In Jackson in January humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

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.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)85 mm (3.4 inches)88%moderate
February Weather3°C (39°F)123 mm (4.9 inches)88%moderate
March Weather8°C (46°F)112 mm (4.4 inches)87%high
April Weather12°C (55°F)130 mm (5.1 inches)85%very high
May Weather18°C (66°F)127 mm (5.0 inches)81%very high
June Weather23°C (73°F)142 mm (5.6 inches)82%very high
July Weather25°C (78°F)106 mm (4.2 inches)81%very high
August Weather24°C (75°F)115 mm (4.5 inches)73%very high
September Weather21°C (70°F)102 mm (4.0 inches)73%very high
October Weather15°C (60°F)112 mm (4.4 inches)78%high
November Weather7°C (45°F)81 mm (3.2 inches)89%moderate
December Weather4°C (39°F)113 mm (4.4 inches)87%moderate

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