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December Weather in Terrell, United States

Last updated: June 24, 2025

In December, the average temperature in Terrell, United States is a mild 11°C (52°F). However, expect a range with minimums dipping to -5°C (24°F) and maximums soaring to 28°C (82°F). Rain isn't uncommon, with an average precipitation of 80 mm (3.2 in) over 7 days. The average humidity hovers at a comfortable 87%, creating a pleasantly moist atmosphere.

December Temperature in Terrell

In December in Terrell, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -5°C (24°F). This variation means travelers should be prepared for both warm and chilly weather during their stay.

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

The chart illustrates December temperature patterns in Terrell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Terrell, December typically has an average temperature of 11°C (52°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec474960657481848479685752
Data source: Temperature data for Terrell 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 Terrell

In Terrell in December, the total precipitation amount is 80 mm (3.2 in) over the course of 7 days.

December Precipitation Trends in Terrell

The chart displays monthly precipitation patterns in Terrell, 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 Terrell, December typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec721211151501701026798871455680
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Terrell

In Terrell in December, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.

December Average Humidity in Terrell

This chart illustrates the average monthly humidity levels in Terrell, 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 Terrell is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Terrell

In Terrell 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 Terrell for better planning.

Maximum UV Index Levels in Terrell for December

The chart shows the monthly maximum UV Index (UVI) for Terrell 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 Terrell typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Terrell 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 Terrell Compares to Other Months

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

This table compares monthly weather conditions in Terrell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)72 mm (2.8 inches)80%moderate
February Weather10°C (50°F)121 mm (4.8 inches)79%high
March Weather16°C (60°F)115 mm (4.5 inches)78%very high
April Weather18°C (65°F)150 mm (5.9 inches)78%very high
May Weather23°C (74°F)170 mm (6.7 inches)81%extreme
June Weather27°C (81°F)102 mm (4.0 inches)78%extreme
July Weather29°C (85°F)67 mm (2.7 inches)73%extreme
August Weather29°C (84°F)98 mm (3.8 inches)66%extreme
September Weather26°C (80°F)87 mm (3.4 inches)65%very high
October Weather20°C (68°F)145 mm (5.7 inches)72%very high
November Weather14°C (57°F)56 mm (2.2 inches)82%high
December Weather11°C (52°F)80 mm (3.2 inches)87%moderate

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