January Weather in Jeffersonville, United States

Last updated: June 24, 2025

In January, the average temperature in Jeffersonville, United States hovers around -1°C (31°F). Expect chilly days, with minimum temperatures plummeting to -24°C (-10°F) and, on rare occasions, rising to a maximum of 21°C (70°F). Over the month, anticipate 78 mm (3.1 in) of precipitation spread across 9 days, accompanied by a high average humidity of 88%—a reminder to bundle up and stay dry!

January Temperature in Jeffersonville

In January in Jeffersonville, the average temperature is -1°C (31°F). The maximum can reach 21°C (70°F), while the minimum can drop as low as -24°C (-10°F). This wide range of temperatures means travelers should be prepared for both chilly and milder conditions when visiting.

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

The chart illustrates January temperature patterns in Jeffersonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jeffersonville, January typically has an average temperature of -1°C (31°F), with highs reaching up to 21°C (70°F) and lows dropping to around -24°C (-10°F).

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

January Precipitation in Jeffersonville

In Jeffersonville in January, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

January Precipitation Trends in Jeffersonville

The chart displays monthly precipitation patterns in Jeffersonville, 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 Jeffersonville, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 9 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 Jeffersonville

In Jeffersonville in January, humidity is 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.

January Average Humidity in Jeffersonville

This chart illustrates the average monthly humidity levels in Jeffersonville, 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 Jeffersonville 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 Jeffersonville

In Jeffersonville 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 Jeffersonville, you can check the information here.

Maximum UV Index Levels in Jeffersonville for January

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

Data source: Jeffersonville 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 Jeffersonville Compares to Other Months

Weather in Jeffersonville varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Jeffersonville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Jeffersonville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	78 mm (3.1 inches)	88%	moderate
February Weather	1°C (35°F)	110 mm (4.3 inches)	88%	moderate
March Weather	6°C (43°F)	117 mm (4.6 inches)	87%	high
April Weather	11°C (53°F)	115 mm (4.5 inches)	85%	very high
May Weather	18°C (64°F)	127 mm (5.0 inches)	81%	very high
June Weather	22°C (72°F)	140 mm (5.5 inches)	82%	very high
July Weather	24°C (76°F)	118 mm (4.6 inches)	81%	very high
August Weather	23°C (74°F)	92 mm (3.6 inches)	73%	very high
September Weather	20°C (69°F)	93 mm (3.7 inches)	73%	very high
October Weather	14°C (58°F)	96 mm (3.8 inches)	78%	high
November Weather	6°C (42°F)	96 mm (3.8 inches)	89%	moderate
December Weather	3°C (37°F)	102 mm (4.0 inches)	87%	moderate