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December Weather in Jeffersonville, United States

Last updated: June 24, 2025

The average temperature in Jeffersonville, United States during December hovers around 3°C (37°F). Expect chilly nights with minimums dropping to -17°C (1°F), while daytime highs can reach 19°C (66°F). Be prepared for 102 mm (4.0 in) of precipitation over approximately 11 days, contributing to an average humidity of 87%. Stay cozy and ready for the elements!

December Temperature in Jeffersonville

In December in Jeffersonville, the average temperature is 3°C (37°F), with maximums reaching up to 19°C (66°F) and minimums dropping as low as -17°C (1°F). It's essential to pack for a range of temperatures, as you'll experience both chilly and mild days during your visit.

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

The chart illustrates December 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, December typically has an average temperature of 3°C (37°F), with highs reaching up to 19°C (66°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec313443526472767369584237
Data source: Temperature data for Jeffersonville 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.

December Precipitation in Jeffersonville

In Jeffersonville in December, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.

December Precipitation Trends in Jeffersonville

The chart displays monthly precipitation patterns in Jeffersonville, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Jeffersonville, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7811011711512714011892939697102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jeffersonville

In Jeffersonville in December, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

December Average Humidity in Jeffersonville

This chart illustrates the average monthly humidity levels in Jeffersonville, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Jeffersonville is approximately 87%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Jeffersonville

In Jeffersonville in December, 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 December

The chart shows the monthly maximum UV Index (UVI) for Jeffersonville in December, 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 December, the maximum UV index in Jeffersonville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Jeffersonville December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)78 mm (3.1 inches)88%moderate
February Weather1°C (35°F)110 mm (4.3 inches)88%moderate
March Weather6°C (43°F)117 mm (4.6 inches)87%high
April Weather11°C (53°F)115 mm (4.5 inches)85%very high
May Weather18°C (64°F)127 mm (5.0 inches)81%very high
June Weather22°C (72°F)140 mm (5.5 inches)82%very high
July Weather24°C (76°F)118 mm (4.6 inches)81%very high
August Weather23°C (74°F)92 mm (3.6 inches)73%very high
September Weather20°C (69°F)93 mm (3.7 inches)73%very high
October Weather14°C (58°F)96 mm (3.8 inches)78%high
November Weather6°C (42°F)96 mm (3.8 inches)89%moderate
December Weather3°C (37°F)102 mm (4.0 inches)87%moderate

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