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December Weather in Lake Charles, United States

Last updated: June 24, 2025

In December, the average temperature in Lake Charles, United States hovers around 14°C (57°F), with a minimum dip of -3°C (27°F) and a maximum climb to 28°C (82°F). Expect a fair amount of rain, with 126 mm (5.0 in) of precipitation spread over 11 days. Plus, humidity levels are notably high, averaging at 88%. Be prepared for a mix of conditions!

December Temperature in Lake Charles

In December in Lake Charles, the average temperature is 14°C (57°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -3°C (27°F). Overall, travelers should prepare for a wide range of temperatures during this time.

December Weather in Lake Charles: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lake Charles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Charles, December typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec535864687681828279726056
Data source: Temperature data for Lake Charles 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 Lake Charles

In Lake Charles in December, the total precipitation amount is 126 mm (5.0 in) spread over 11 days.

December Precipitation Trends in Lake Charles

The chart displays monthly precipitation patterns in Lake Charles, 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 Lake Charles, December typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1171107815220616815918217412471126
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lake Charles

In Lake Charles in December humidity is 88%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and giving a sense of stickiness that can drain your energy quickly while exploring.

December Average Humidity in Lake Charles

This chart illustrates the average monthly humidity levels in Lake Charles, 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 Lake Charles is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lake Charles

In Lake Charles in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lake Charles.

Maximum UV Index Levels in Lake Charles for December

The chart shows the monthly maximum UV Index (UVI) for Lake Charles 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 Lake Charles typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101112121110865
Data source: Lake Charles 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 Lake Charles Compares to Other Months

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

This table compares monthly weather conditions in Lake Charles, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)117 mm (4.6 inches)81%moderate
February Weather14°C (58°F)110 mm (4.3 inches)81%very high
March Weather18°C (65°F)78 mm (3.1 inches)79%very high
April Weather20°C (69°F)152 mm (6.0 inches)80%very high
May Weather25°C (77°F)206 mm (8.1 inches)81%extreme
June Weather27°C (81°F)168 mm (6.6 inches)76%extreme
July Weather28°C (83°F)159 mm (6.2 inches)73%extreme
August Weather28°C (83°F)182 mm (7.2 inches)71%extreme
September Weather26°C (79°F)174 mm (6.8 inches)72%very high
October Weather22°C (72°F)124 mm (4.9 inches)73%very high
November Weather16°C (60°F)71 mm (2.8 inches)83%high
December Weather14°C (57°F)126 mm (5.0 inches)88%moderate

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