January Weather in Jeffersonville, United States

Last updated: June 24, 2025

In January, the average temperature in Jeffersonville, United States hovers around 10°C (50°F). Be prepared for a range, as temperatures can dip to a chilling -6°C (21°F) or rise to a warm 27°C (81°F). With 98 mm (3.9 in) of precipitation over 9 days, don't forget your umbrella! The air feels quite humid, boasting an average humidity of 86%.

January Temperature in Jeffersonville

In January in Jeffersonville, the average temperature is 10°C (50°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -6°C (21°F). This variation in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.

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 10°C (50°F), with highs reaching up to 27°C (81°F) and lows dropping to around -6°C (21°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 98 mm (3.9 in) spread over a duration 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 98 mm (3.9 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 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 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 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 Jeffersonville

In Jeffersonville 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 Jeffersonville for better planning.

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 4, 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	10°C (50°F)	98 mm (3.9 inches)	86%	moderate
February Weather	13°C (55°F)	112 mm (4.4 inches)	84%	high
March Weather	15°C (60°F)	75 mm (3.0 inches)	83%	very high
April Weather	19°C (66°F)	96 mm (3.8 inches)	81%	very high
May Weather	23°C (74°F)	92 mm (3.6 inches)	81%	extreme
June Weather	26°C (79°F)	125 mm (4.9 inches)	81%	extreme
July Weather	28°C (82°F)	103 mm (4.1 inches)	83%	extreme
August Weather	27°C (81°F)	119 mm (4.7 inches)	81%	extreme
September Weather	25°C (78°F)	106 mm (4.2 inches)	82%	very high
October Weather	21°C (70°F)	97 mm (3.8 inches)	78%	very high
November Weather	13°C (56°F)	74 mm (2.9 inches)	86%	high
December Weather	11°C (52°F)	120 mm (4.7 inches)	89%	moderate