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December Weather in Willcox, United States

Last updated: June 24, 2025

In December, the average temperature in Willcox, United States hovers around 8°C (47°F). Expect a range where the minimum dips to -6°C (22°F) and the maximum can reach a pleasant 23°C (73°F). With an average humidity of 84%, you might want to prepare for a touch of dampness, as the area experiences about 26 mm (1.0 in) of precipitation over 3 days.

December Temperature in Willcox

In December in Willcox, the average temperature is 8°C (47°F). Maximums can reach 23°C (73°F) and minimums can be as low as -6°C (22°F). Be prepared for a wide range of temperatures while traveling, so layer your clothing accordingly.

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

The chart illustrates December temperature patterns in Willcox, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willcox, December typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (73°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec464957667383828176665747
Data source: Temperature data for Willcox 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 Willcox

In Willcox in December, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

December Precipitation Trends in Willcox

The chart displays monthly precipitation patterns in Willcox, 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 Willcox, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec222814337584031112426
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Willcox

In Willcox in December, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

December Average Humidity in Willcox

This chart illustrates the average monthly humidity levels in Willcox, 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 Willcox is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%68%55%45%37%43%53%66%72%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Willcox

In Willcox 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 Willcox.

Maximum UV Index Levels in Willcox for December

The chart shows the monthly maximum UV Index (UVI) for Willcox 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 Willcox typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211965
Data source: Willcox 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 Willcox Compares to Other Months

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

This table compares monthly weather conditions in Willcox, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)22 mm (0.9 inches)81%moderate
February Weather9°C (49°F)28 mm (1.1 inches)82%high
March Weather14°C (57°F)13 mm (0.5 inches)68%very high
April Weather19°C (66°F)3 mm (0.1 inches)55%extreme
May Weather23°C (73°F)3 mm (0.1 inches)45%extreme
June Weather28°C (83°F)7 mm (0.3 inches)37%extreme
July Weather28°C (82°F)58 mm (2.3 inches)43%extreme
August Weather27°C (81°F)40 mm (1.6 inches)53%extreme
September Weather25°C (76°F)31 mm (1.2 inches)66%extreme
October Weather19°C (67°F)11 mm (0.4 inches)72%very high
November Weather14°C (57°F)23 mm (0.9 inches)81%high
December Weather8°C (47°F)26 mm (1.0 inches)84%moderate

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