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January Weather in Jackson, United States

Last updated: June 24, 2025

In Jackson, United States, the average temperature in January hovers around -3°C (26°F), with a chilling minimum dropping to -26°C (-15°F) and an occasional maximum reaching 15°C (59°F). Expect 67 mm (2.6 in) of precipitation spread over approximately 9 days, and be prepared for a damp atmosphere with an average humidity of 88%.

January Temperature in Jackson

In January in Jackson, the average temperature is -3°C (26°F), with maximums reaching up to 15°C (59°F) and minimums plummeting as low as -26°C (-15°F). Visitors should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their 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 -3°C (26°F), with highs reaching up to 15°C (59°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070747265543932
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 total precipitation amount is 67 mm (2.6 in), occurring over a span of 9 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 67 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec677178921279010868821137455
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 -3°C (26°F), this humidity feels like an icy dampness that clings to your skin, making every breath feel colder and more challenging, which can make traveling in these conditions quite uncomfortable.

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%87%85%86%80%80%80%81%80%84%90%86%
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 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Jackson, you can visit Hourly UV Index in Jackson.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
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 Weather-3°C (26°F)67 mm (2.6 inches)88%low
February Weather-3°C (28°F)71 mm (2.8 inches)87%moderate
March Weather3°C (38°F)78 mm (3.1 inches)85%moderate
April Weather8°C (47°F)92 mm (3.6 inches)86%very high
May Weather16°C (60°F)127 mm (5.0 inches)80%very high
June Weather21°C (70°F)90 mm (3.5 inches)80%very high
July Weather24°C (75°F)108 mm (4.2 inches)80%very high
August Weather22°C (72°F)68 mm (2.7 inches)80%very high
September Weather19°C (66°F)82 mm (3.2 inches)80%high
October Weather12°C (54°F)113 mm (4.4 inches)84%moderate
November Weather4°C (39°F)74 mm (2.9 inches)89%moderate
December Weather0°C (33°F)55 mm (2.2 inches)86%low

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