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December Weather in Marble Falls, United States

Last updated: June 24, 2025

In Marble Falls, United States, the average temperature in December hovers around 6°C (43°F). However, be prepared for fluctuations, as temperatures can dip to a chilly -10°C (14°F) or rise to a pleasant 24°C (76°F). Expect precipitation of approximately 86 mm (3.4 in) across about 8 days, and keep in mind the average humidity level is a high 87% – perfect for cozy indoor activities!

December Temperature in Marble Falls

In December in Marble Falls, the average temperature is 6°C (43°F), with maximums reaching up to 24°C (76°F) and minimums dropping as low as -10°C (14°F). This wide range of temperatures makes it essential to pack layers and prepare for varying weather conditions while exploring.

December Weather in Marble Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Marble Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marble Falls, December typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (76°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec374050566674777572594742
Data source: Temperature data for Marble Falls 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 Marble Falls

In Marble Falls in December, the precipitation amount reaches 86 mm (3.4 in) over the course of 8 days.

December Precipitation Trends in Marble Falls

The chart displays monthly precipitation patterns in Marble Falls, 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 Marble Falls, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec8111213915819010695146711207986
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marble Falls

In Marble Falls in December, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

December Average Humidity in Marble Falls

This chart illustrates the average monthly humidity levels in Marble Falls, 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 Marble Falls is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marble Falls

In Marble Falls 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 Marble Falls, you can check the information here.

Maximum UV Index Levels in Marble Falls for December

The chart shows the monthly maximum UV Index (UVI) for Marble Falls 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 Marble Falls typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Marble Falls 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 Marble Falls Compares to Other Months

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

This table compares monthly weather conditions in Marble Falls, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)81 mm (3.2 inches)82%moderate
February Weather4°C (40°F)112 mm (4.4 inches)79%high
March Weather10°C (50°F)139 mm (5.5 inches)77%very high
April Weather13°C (56°F)157 mm (6.2 inches)78%very high
May Weather19°C (66°F)190 mm (7.5 inches)82%extreme
June Weather23°C (74°F)106 mm (4.2 inches)81%extreme
July Weather25°C (77°F)95 mm (3.8 inches)75%extreme
August Weather24°C (75°F)146 mm (5.7 inches)61%very high
September Weather22°C (72°F)70 mm (2.8 inches)59%very high
October Weather15°C (59°F)120 mm (4.7 inches)69%high
November Weather8°C (47°F)79 mm (3.1 inches)82%moderate
December Weather6°C (43°F)86 mm (3.4 inches)87%moderate

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