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December Weather in Tyler, United States

Last updated: June 24, 2025

In December, the average temperature in Tyler, United States is a mild 12°C (53°F), making it a comfortable time to explore. However, temperatures can fluctuate, with a minimum of -2°C (29°F) and a maximum reaching 28°C (82°F). Visitors can expect about 118 mm (4.7 in) of precipitation spread over 8 days, lending an air of freshness to the landscape. With an average humidity of 87%, it’s advisable to stay hydrated while enjoying the local sights!

December Temperature in Tyler

In December in Tyler, the average temperature is 12°C (53°F). The maximum can reach 28°C (82°F), and the minimum can be as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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

The chart illustrates December temperature patterns in Tyler, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tyler, December typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (82°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec495161657481848479695853
Data source: Temperature data for Tyler 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 Tyler

In Tyler in December, the precipitation amount is 118 mm (4.7 in) over the course of 8 days.

December Precipitation Trends in Tyler

The chart displays monthly precipitation patterns in Tyler, 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 Tyler, December typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10914712713215410783718810064118
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tyler

In Tyler in December, humidity is 87%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and stifling, as the air thickens and clings to your skin, sapping your energy as you navigate the sights.

December Average Humidity in Tyler

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

In Tyler 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 Tyler for better planning.

Maximum UV Index Levels in Tyler for December

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

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

This table compares monthly weather conditions in Tyler, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)109 mm (4.3 inches)80%moderate
February Weather11°C (51°F)147 mm (5.8 inches)79%high
March Weather16°C (61°F)127 mm (5.0 inches)78%very high
April Weather18°C (66°F)132 mm (5.2 inches)78%very high
May Weather23°C (74°F)154 mm (6.1 inches)81%extreme
June Weather27°C (81°F)107 mm (4.2 inches)78%extreme
July Weather29°C (84°F)83 mm (3.3 inches)73%extreme
August Weather29°C (85°F)71 mm (2.8 inches)66%extreme
September Weather26°C (80°F)88 mm (3.5 inches)65%very high
October Weather21°C (69°F)100 mm (3.9 inches)72%very high
November Weather14°C (58°F)64 mm (2.5 inches)82%high
December Weather12°C (53°F)118 mm (4.7 inches)87%moderate

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