December Weather in LaPorte, United States

Last updated: June 24, 2025

In LaPorte, United States during December, the average temperature hovers around 1°C (34°F). Expect chilly days with temperatures dipping as low as -23°C (-9°F), while the mercury can rise to a comfortable 17°C (63°F). With an average precipitation of 61 mm (2.4 in) spread over 9 days, it's wise to prepare for some wet weather. Also, keep in mind the high humidity level at 86%, which adds to the overall brisk atmosphere.

December Temperature in LaPorte

In December in LaPorte, the average temperature is 1°C (34°F), with a maximum reaching 17°C (63°F) and a minimum dropping as low as -23°C (-9°F). Be sure to pack warm layers and be prepared for temperature fluctuations if you plan to travel during this time.

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

The chart illustrates December temperature patterns in LaPorte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In LaPorte, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec282939496172757368554034
Data source: Temperature data for LaPorte 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 LaPorte

In LaPorte in December, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

December Precipitation Trends in LaPorte

The chart displays monthly precipitation patterns in LaPorte, 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 LaPorte, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7273102110173145119114741317261
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in LaPorte

In LaPorte in December, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

December Average Humidity in LaPorte

This chart illustrates the average monthly humidity levels in LaPorte, 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 LaPorte is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in LaPorte

In LaPorte in December, 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 LaPorte, you can visit Hourly UV Index in LaPorte.

Maximum UV Index Levels in LaPorte for December

The chart shows the monthly maximum UV Index (UVI) for LaPorte 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 LaPorte typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: LaPorte 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 LaPorte Compares to Other Months

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

This table compares monthly weather conditions in LaPorte, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)71 mm (2.8 inches)85%moderate
February Weather-2°C (29°F)73 mm (2.9 inches)85%moderate
March Weather4°C (40°F)102 mm (4.0 inches)86%high
April Weather9°C (49°F)110 mm (4.3 inches)87%very high
May Weather16°C (62°F)173 mm (6.8 inches)81%very high
June Weather22°C (72°F)145 mm (5.7 inches)82%very high
July Weather24°C (76°F)119 mm (4.7 inches)81%very high
August Weather23°C (73°F)114 mm (4.5 inches)79%very high
September Weather20°C (68°F)74 mm (2.9 inches)78%very high
October Weather13°C (56°F)131 mm (5.2 inches)81%high
November Weather5°C (41°F)72 mm (2.8 inches)89%moderate
December Weather1°C (34°F)61 mm (2.4 inches)86%low

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