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December Weather in Ennis, United States

Last updated: June 24, 2025

In Ennis, United States, the average temperature in December hovers around -7°C (20°F), but it can plunge as low as -26°C (-15°F) or rise to a maximum of 11°C (52°F). Expect about 38 mm (1.5 in) of precipitation over 9 days, contributing to a high average humidity of 94%. Prepare for a chilly and damp month ahead!

December Temperature in Ennis

In December in Ennis, the average temperature is -7°C (20°F). The maximum can reach 11°C (52°F), while the minimum can drop as low as -26°C (-15°F). It's essential to prepare for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Ennis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ennis, December typically has an average temperature of -7°C (20°F), with highs reaching up to 11°C (52°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec191828344455646253362719
Data source: Temperature data for Ennis 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 Ennis

In Ennis in December, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 9 days.

December Precipitation Trends in Ennis

The chart displays monthly precipitation patterns in Ennis, 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 Ennis, December typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec305645698282263146634138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ennis

In Ennis in December, humidity is 94%. With an average temperature of -7°C (20°F), this humidity feels like stepping into a thick fog that clings to your skin, making travel uncomfortable and challenging as your breath mingles with the damp air, creating an almost surreal atmosphere.

December Average Humidity in Ennis

This chart illustrates the average monthly humidity levels in Ennis, 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 Ennis is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%83%79%76%74%69%67%72%89%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ennis

In Ennis in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Ennis, you can visit Hourly UV Index in Ennis.

Maximum UV Index Levels in Ennis for December

The chart shows the monthly maximum UV Index (UVI) for Ennis 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 Ennis typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111211109642
Data source: Ennis 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 Ennis Compares to Other Months

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

This table compares monthly weather conditions in Ennis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)30 mm (1.2 inches)93%moderate
February Weather-8°C (18°F)56 mm (2.2 inches)92%moderate
March Weather-2°C (29°F)45 mm (1.8 inches)89%high
April Weather1°C (34°F)69 mm (2.7 inches)83%very high
May Weather7°C (45°F)82 mm (3.2 inches)79%extreme
June Weather13°C (56°F)82 mm (3.2 inches)76%extreme
July Weather18°C (64°F)26 mm (1.0 inches)74%extreme
August Weather17°C (62°F)31 mm (1.2 inches)69%very high
September Weather12°C (53°F)46 mm (1.8 inches)67%very high
October Weather2°C (36°F)62 mm (2.5 inches)72%high
November Weather-3°C (27°F)41 mm (1.6 inches)89%moderate
December Weather-7°C (20°F)38 mm (1.5 inches)94%low

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