January Weather in Jeffersonville, United States

Last updated: June 24, 2025

In Jeffersonville, United States, the average temperature in January is a crisp 2°C (35°F). Expect a chilly minimum of -18°C (0°F), while the mercury can rise to a comfortable maximum of 20°C (68°F). During this month, 87 mm (3.4 in) of precipitation falls over 9 days, contributing to an average humidity of 87%. Prepare for a blend of wintry chills and the occasional mild day!

January Temperature in Jeffersonville

In January in Jeffersonville, the average temperature is 2°C (35°F). Maximum temperatures can reach 20°C (68°F), while minimums can dip as low as -18°C (0°F). Be prepared for a wide range of temperatures, and pack accordingly for your travels!

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 2°C (35°F), with highs reaching up to 20°C (68°F) and lows dropping to around -18°C (0°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 87 mm (3.4 in), occurring over a span 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 87 mm (3.4 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Jeffersonville

In Jeffersonville in January, humidity is 87%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling feel uncomfortable and heavy, as each breath carries a hint of the cold, moist air that lingers around you.

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 87%, 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	2°C (35°F)	87 mm (3.4 inches)	87%	moderate
February Weather	4°C (40°F)	128 mm (5.0 inches)	85%	moderate
March Weather	9°C (48°F)	132 mm (5.2 inches)	86%	high
April Weather	13°C (56°F)	137 mm (5.4 inches)	84%	very high
May Weather	20°C (67°F)	128 mm (5.0 inches)	79%	very high
June Weather	24°C (75°F)	151 mm (5.9 inches)	82%	extreme
July Weather	26°C (79°F)	98 mm (3.9 inches)	79%	very high
August Weather	25°C (76°F)	94 mm (3.7 inches)	70%	very high
September Weather	22°C (72°F)	112 mm (4.4 inches)	69%	very high
October Weather	16°C (60°F)	98 mm (3.9 inches)	76%	high
November Weather	7°C (45°F)	88 mm (3.5 inches)	88%	moderate
December Weather	5°C (41°F)	106 mm (4.2 inches)	87%	moderate