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December Weather in Bastrop, United States

Last updated: June 24, 2025

In December, the average temperature in Bastrop, United States hovers around 11°C (52°F), with a minimum dipping to -4°C (25°F) and a maximum reaching 28°C (83°F). Expect around 117 mm (4.6 in) of precipitation spread over 9 days, contributing to a high average humidity of 88%.

December Temperature in Bastrop

In December in Bastrop, the average temperature is 11°C (52°F). The maximum can reach 28°C (83°F), while the minimum can dip as low as -4°C (25°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates December temperature patterns in Bastrop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bastrop, December typically has an average temperature of 11°C (52°F), with highs reaching up to 28°C (83°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec485161657480838279685552
Data source: Temperature data for Bastrop 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 Bastrop

In Bastrop in December, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

December Precipitation Trends in Bastrop

The chart displays monthly precipitation patterns in Bastrop, 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 Bastrop, December typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec12719415818213511798937814185117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bastrop

In Bastrop in December, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

December Average Humidity in Bastrop

This chart illustrates the average monthly humidity levels in Bastrop, 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 Bastrop is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bastrop

In Bastrop in December, 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 Bastrop for better planning.

Maximum UV Index Levels in Bastrop for December

The chart shows the monthly maximum UV Index (UVI) for Bastrop 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 Bastrop typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111212119864
Data source: Bastrop 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 Bastrop Compares to Other Months

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

This table compares monthly weather conditions in Bastrop, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)127 mm (5.0 inches)84%moderate
February Weather11°C (52°F)194 mm (7.6 inches)83%high
March Weather16°C (61°F)158 mm (6.2 inches)80%very high
April Weather18°C (65°F)182 mm (7.2 inches)82%extreme
May Weather23°C (74°F)135 mm (5.3 inches)83%extreme
June Weather27°C (80°F)117 mm (4.6 inches)80%extreme
July Weather28°C (83°F)98 mm (3.9 inches)80%extreme
August Weather28°C (83°F)93 mm (3.7 inches)75%extreme
September Weather26°C (79°F)78 mm (3.1 inches)73%very high
October Weather20°C (68°F)141 mm (5.6 inches)76%very high
November Weather13°C (55°F)85 mm (3.3 inches)84%high
December Weather11°C (52°F)117 mm (4.6 inches)88%moderate

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