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December Weather in Bryan, United States

Last updated: June 24, 2025

In December, the average temperature in Bryan, United States hovers around 13°C (56°F), with a minimum dipping to a chilly -3°C (27°F) and the maximum reaching a warm 29°C (85°F). Expect precipitation of about 105 mm (4.1 in) spread over 9 days, accompanied by a high average humidity of 87%.

December Temperature in Bryan

In December in Bryan, the average temperature is 13°C (56°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as -3°C (27°F). It's advisable to dress in layers to prepare for the varying temperatures during your travels.

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

The chart illustrates December temperature patterns in Bryan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bryan, December typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec525464687682858681716055
Data source: Temperature data for Bryan 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 Bryan

In Bryan in December, the total precipitation amount reaches 105 mm (4.1 in) over the course of 9 days.

December Precipitation Trends in Bryan

The chart displays monthly precipitation patterns in Bryan, 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 Bryan, December typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7791821491571177112210510681105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bryan

In Bryan in December humidity is 87%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it challenging to explore comfortably.

December Average Humidity in Bryan

This chart illustrates the average monthly humidity levels in Bryan, 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 Bryan is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bryan

In Bryan 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 Bryan for better planning.

Maximum UV Index Levels in Bryan for December

The chart shows the monthly maximum UV Index (UVI) for Bryan 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 Bryan typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110864
Data source: Bryan 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 Bryan Compares to Other Months

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

This table compares monthly weather conditions in Bryan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)77 mm (3.0 inches)79%moderate
February Weather12°C (54°F)91 mm (3.6 inches)80%very high
March Weather18°C (64°F)82 mm (3.2 inches)78%very high
April Weather20°C (68°F)149 mm (5.9 inches)79%extreme
May Weather25°C (77°F)157 mm (6.2 inches)81%extreme
June Weather28°C (82°F)117 mm (4.6 inches)77%extreme
July Weather30°C (86°F)71 mm (2.8 inches)71%extreme
August Weather30°C (86°F)121 mm (4.8 inches)67%extreme
September Weather27°C (81°F)105 mm (4.1 inches)69%very high
October Weather22°C (71°F)106 mm (4.2 inches)73%very high
November Weather16°C (60°F)81 mm (3.2 inches)82%high
December Weather13°C (56°F)105 mm (4.1 inches)87%moderate

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