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December Weather in Apache Junction, United States

Last updated: June 24, 2025

In Apache Junction, United States, the average temperature in December hovers around 11°C (52°F). During this month, you can expect a minimum temperature of -2°C (29°F) and a maximum of 27°C (80°F). Additionally, there’s an average precipitation of 35 mm (1.4 in) over 4 days, contributing to a high humidity level of 82%.

December Temperature in Apache Junction

In December in Apache Junction, the average temperature is 11°C (52°F), with maximums reaching 27°C (80°F) and minimums dropping to as low as -2°C (29°F). This temperature range makes Apache Junction a versatile destination for travelers, allowing for both outdoor adventures and cozy indoor activities.

December Weather in Apache Junction: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Apache Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Apache Junction, December typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (80°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec515461717889919085726252
Data source: Temperature data for Apache Junction 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 Apache Junction

In Apache Junction in December, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.

December Precipitation Trends in Apache Junction

The chart displays monthly precipitation patterns in Apache Junction, 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 Apache Junction, December typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec435436333523328262735
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Apache Junction

In Apache Junction in December, humidity is 82%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and stay prepared for the moisture-laden air as you explore your surroundings.

December Average Humidity in Apache Junction

This chart illustrates the average monthly humidity levels in Apache Junction, 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 Apache Junction 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 Apache Junction

In Apache Junction 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 Apache Junction for better planning.

Maximum UV Index Levels in Apache Junction for December

The chart shows the monthly maximum UV Index (UVI) for Apache Junction 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 Apache Junction typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112111110854
Data source: Apache Junction 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 Apache Junction Compares to Other Months

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

This table compares monthly weather conditions in Apache Junction, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)43 mm (1.7 inches)76%moderate
February Weather12°C (54°F)54 mm (2.1 inches)79%high
March Weather16°C (61°F)36 mm (1.4 inches)67%very high
April Weather21°C (71°F)3 mm (0.1 inches)55%very high
May Weather26°C (78°F)3 mm (0.1 inches)40%extreme
June Weather32°C (89°F)3 mm (0.1 inches)33%extreme
July Weather33°C (91°F)52 mm (2.1 inches)34%extreme
August Weather32°C (90°F)33 mm (1.3 inches)48%extreme
September Weather29°C (85°F)28 mm (1.1 inches)64%very high
October Weather22°C (72°F)26 mm (1.0 inches)67%very high
November Weather17°C (63°F)26 mm (1.0 inches)77%moderate
December Weather11°C (52°F)35 mm (1.4 inches)82%moderate

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