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December Weather in Trinity, United States

Last updated: June 24, 2025

In December, the average temperature in Trinity, United States hovers around 13°C (55°F). However, be prepared for a range, with minimums dipping to -3°C (27°F) and maximums reaching up to 29°C (84°F). Expect about 116 mm (4.6 in) of precipitation over 10 days, accompanied by a high average humidity of 87%. Stay cozy and enjoy the variety of weather this month brings!

December Temperature in Trinity

In December in Trinity, the average temperature is 13°C (55°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -3°C (27°F). This range of temperatures makes Trinity an ideal destination for travelers seeking mild weather with the possibility of both warm days and cool nights.

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

The chart illustrates December temperature patterns in Trinity, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trinity, December typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec525464687682858580716055
Data source: Temperature data for Trinity 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 Trinity

In Trinity in December, the total precipitation amount is 116 mm (4.6 in) over a span of 10 days.

December Precipitation Trends in Trinity

The chart displays monthly precipitation patterns in Trinity, 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 Trinity, December typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec89110861221941187213710810281116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Trinity

In Trinity in December, humidity is 87%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making travel sluggish and slightly uncomfortable, as each step seems to cling to the damp air.

December Average Humidity in Trinity

This chart illustrates the average monthly humidity levels in Trinity, 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 Trinity 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 Trinity

In Trinity 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 Trinity for better planning.

Maximum UV Index Levels in Trinity for December

The chart shows the monthly maximum UV Index (UVI) for Trinity 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 Trinity typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec588111111121110864
Data source: Trinity 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 Trinity Compares to Other Months

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

This table compares monthly weather conditions in Trinity, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)89 mm (3.5 inches)79%moderate
February Weather12°C (54°F)110 mm (4.3 inches)80%very high
March Weather18°C (64°F)86 mm (3.4 inches)78%very high
April Weather20°C (68°F)122 mm (4.8 inches)79%extreme
May Weather24°C (76°F)194 mm (7.6 inches)81%extreme
June Weather28°C (82°F)118 mm (4.6 inches)77%extreme
July Weather29°C (85°F)72 mm (2.8 inches)71%extreme
August Weather29°C (85°F)137 mm (5.4 inches)67%extreme
September Weather27°C (80°F)108 mm (4.3 inches)69%very high
October Weather22°C (71°F)102 mm (4.0 inches)73%very high
November Weather15°C (60°F)81 mm (3.2 inches)82%high
December Weather13°C (55°F)116 mm (4.6 inches)87%moderate

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