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December Weather in Thomas, United States

Last updated: June 24, 2025

In December, the average temperature in Thomas, United States hovers around 5°C (42°F). Expect a temperature range with minimums dipping to -10°C (14°F) and maxing out at 27°C (81°F). During this time, precipitation is moderate, totaling about 30 mm (1.2 in) over 2 days, and the air feels quite humid with an average humidity level of 84%.

December Temperature in Thomas

In December in Thomas, the average temperature is 5°C (42°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack appropriately for both warm and chilly conditions.

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

The chart illustrates December temperature patterns in Thomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thomas, December typically has an average temperature of 5°C (42°F), with highs reaching up to 27°C (81°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec373852586878828074604842
Data source: Temperature data for Thomas 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 Thomas

In Thomas in December, the precipitation amount is 30 mm (1.2 in) over the course of 2 days.

December Precipitation Trends in Thomas

The chart displays monthly precipitation patterns in Thomas, 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 Thomas, December typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec3126698312492495457692230
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Thomas

In Thomas in December, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.

December Average Humidity in Thomas

This chart illustrates the average monthly humidity levels in Thomas, 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 Thomas is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Thomas

In Thomas 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 Thomas for better planning.

Maximum UV Index Levels in Thomas for December

The chart shows the monthly maximum UV Index (UVI) for Thomas 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 Thomas typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Thomas 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 Thomas Compares to Other Months

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

This table compares monthly weather conditions in Thomas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)31 mm (1.2 inches)76%moderate
February Weather4°C (39°F)26 mm (1.0 inches)76%high
March Weather11°C (52°F)69 mm (2.7 inches)70%very high
April Weather14°C (58°F)83 mm (3.3 inches)72%very high
May Weather20°C (68°F)124 mm (4.9 inches)82%extreme
June Weather26°C (79°F)92 mm (3.6 inches)82%extreme
July Weather28°C (82°F)49 mm (1.9 inches)80%extreme
August Weather27°C (80°F)54 mm (2.1 inches)72%extreme
September Weather23°C (74°F)57 mm (2.2 inches)64%very high
October Weather16°C (60°F)69 mm (2.7 inches)71%high
November Weather9°C (49°F)22 mm (0.9 inches)81%moderate
December Weather5°C (42°F)30 mm (1.2 inches)84%moderate

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