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December Weather in Trinity, United States

Last updated: June 24, 2025

In Trinity, United States, the average temperature in December is a pleasant 18°C (64°F), with a comfortable range that peaks at 24°C (76°F) and dips to a minimum of 6°C (43°F). Expect some rain, as 83 mm (3.3 in) of precipitation usually falls over 8 days. With an average humidity of 86%, it's a perfect time to embrace the cozy, inviting atmosphere!

December Temperature in Trinity

In December in Trinity, the average temperature is 18°C (64°F). The maximum can reach 24°C (76°F), and the minimum can be as low as 6°C (43°F). This mild climate makes Trinity a perfect destination for travelers seeking pleasant weather.

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 18°C (64°F), with highs reaching up to 24°C (76°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec606467727781828281786964
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 precipitation amount reaches 83 mm (3.3 in) over the course of 8 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 83 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec48612169108151216235138734583
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 86%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air becomes thick and sticky, often leading to clammy skin and a constant need for hydration.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%78%77%75%76%79%78%83%81%83%86%
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 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Trinity.

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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121111975
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 Weather16°C (61°F)48 mm (1.9 inches)83%high
February Weather18°C (65°F)60 mm (2.4 inches)82%very high
March Weather20°C (67°F)21 mm (0.8 inches)78%very high
April Weather22°C (72°F)69 mm (2.7 inches)77%extreme
May Weather25°C (77°F)108 mm (4.2 inches)75%extreme
June Weather27°C (81°F)151 mm (5.9 inches)76%extreme
July Weather28°C (82°F)216 mm (8.5 inches)79%extreme
August Weather28°C (83°F)235 mm (9.3 inches)78%extreme
September Weather27°C (81°F)138 mm (5.4 inches)83%extreme
October Weather25°C (78°F)73 mm (2.9 inches)81%very high
November Weather20°C (69°F)45 mm (1.8 inches)83%high
December Weather18°C (64°F)83 mm (3.3 inches)86%moderate

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