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December Weather in Tornillo, United States

Last updated: June 24, 2025

In December, the average temperature in Tornillo, United States hovers around 9°C (48°F), with extremes ranging from a brisk -6°C (22°F) to a pleasantly warm 24°C (76°F). Expect about 16 mm (0.6 in) of precipitation spread over 2 days, contributing to an average humidity level of 87%. Be prepared for a mix of cool and refreshing days!

December Temperature in Tornillo

In December in Tornillo, the average temperature is 9°C (48°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates December temperature patterns in Tornillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tornillo, December typically has an average temperature of 9°C (48°F), with highs reaching up to 24°C (76°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec465160687684848377675748
Data source: Temperature data for Tornillo 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 Tornillo

In Tornillo in December, the precipitation amount is 16 mm (0.6 in) over a period of 2 days.

December Precipitation Trends in Tornillo

The chart displays monthly precipitation patterns in Tornillo, 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 Tornillo, December typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1111193316292522181116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tornillo

In Tornillo in December humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

December Average Humidity in Tornillo

This chart illustrates the average monthly humidity levels in Tornillo, 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 Tornillo is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%77%65%53%51%51%60%63%74%75%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tornillo

In Tornillo 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 Tornillo.

Maximum UV Index Levels in Tornillo for December

The chart shows the monthly maximum UV Index (UVI) for Tornillo 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 Tornillo typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810121313131211965
Data source: Tornillo 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 Tornillo Compares to Other Months

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

This table compares monthly weather conditions in Tornillo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)11 mm (0.4 inches)81%moderate
February Weather11°C (52°F)11 mm (0.4 inches)77%very high
March Weather15°C (60°F)19 mm (0.7 inches)65%very high
April Weather20°C (69°F)3 mm (0.1 inches)53%extreme
May Weather25°C (77°F)3 mm (0.1 inches)51%extreme
June Weather29°C (84°F)16 mm (0.6 inches)51%extreme
July Weather29°C (84°F)29 mm (1.1 inches)60%extreme
August Weather28°C (83°F)25 mm (1.0 inches)63%extreme
September Weather25°C (77°F)22 mm (0.9 inches)74%extreme
October Weather19°C (67°F)18 mm (0.7 inches)75%very high
November Weather14°C (57°F)11 mm (0.4 inches)82%high
December Weather9°C (48°F)16 mm (0.6 inches)87%moderate

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