December Weather in Arizona City, United States

Last updated: June 24, 2025

In December, the average temperature in Arizona City, United States hovers around 13°C (55°F). Expect a range that can dip to a chilly -1°C (31°F) and peak at a warm 28°C (82°F). With an average humidity of 82% and 24 mm (1.0 in) of precipitation spread over 4 days, be prepared for a mix of weather during your visit!

December Temperature in Arizona City

In December in Arizona City, the average temperature is 13°C (55°F). The maximum can reach 28°C (82°F), while the minimum can drop to as low as -1°C (31°F). This variation makes it essential for travelers to pack layers to adapt to the changing weather conditions throughout the day.

December Weather in Arizona City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Arizona City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arizona City, December typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec545865758191939388766555
Data source: Temperature data for Arizona City 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 Arizona City

In Arizona City in December, the precipitation amount is 24 mm (1.0 in) over the course of 4 days.

December Precipitation Trends in Arizona City

The chart displays monthly precipitation patterns in Arizona City, 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 Arizona City, December typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec20251722742361891024
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arizona City

In Arizona City in December, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

December Average Humidity in Arizona City

This chart illustrates the average monthly humidity levels in Arizona City, 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 Arizona City is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arizona City

In Arizona City 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 Arizona City for better planning.

Maximum UV Index Levels in Arizona City for December

The chart shows the monthly maximum UV Index (UVI) for Arizona City 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 Arizona City typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111212121110864
Data source: Arizona City 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 Arizona City Compares to Other Months

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

This table compares monthly weather conditions in Arizona City, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)20 mm (0.8 inches)76%moderate
February Weather14°C (58°F)24 mm (1.0 inches)79%high
March Weather18°C (65°F)17 mm (0.7 inches)67%very high
April Weather24°C (75°F)2 mm (0.1 inches)55%extreme
May Weather27°C (81°F)2 mm (0.1 inches)40%extreme
June Weather33°C (92°F)7 mm (0.3 inches)33%extreme
July Weather34°C (94°F)42 mm (1.6 inches)34%extreme
August Weather34°C (93°F)36 mm (1.4 inches)48%extreme
September Weather31°C (88°F)18 mm (0.7 inches)64%very high
October Weather24°C (76°F)9 mm (0.3 inches)67%very high
November Weather19°C (66°F)10 mm (0.4 inches)77%high
December Weather13°C (55°F)24 mm (1.0 inches)82%moderate

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