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December Weather in Maricopa, United States

Last updated: June 24, 2025

In Maricopa, United States, the average temperature in December hovers around 13°C (55°F), with a minimum of 1°C (34°F) and a high of 27°C (82°F). Expect some rain, as 22 mm (0.9 in) of precipitation falls over 3 days. With an average humidity of 82%, you're sure to feel the moisture in the air!

December Temperature in Maricopa

In December in Maricopa, the average temperature is 13°C (55°F). Maximum temperatures can reach 27°C (82°F), while minimums can drop to as low as 1°C (34°F). It's advisable to pack for a range of weather conditions to make the most of your trip.

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

The chart illustrates December temperature patterns in Maricopa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maricopa, December typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (82°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec555765748191949388756655
Data source: Temperature data for Maricopa 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 Maricopa

In Maricopa in December, the precipitation amount is 22 mm (0.9 in) over a span of 3 days.

December Precipitation Trends in Maricopa

The chart displays monthly precipitation patterns in Maricopa, 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 Maricopa, December typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec183120127484321161222
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Maricopa

In Maricopa 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 Maricopa

This chart illustrates the average monthly humidity levels in Maricopa, 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 Maricopa 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 Maricopa

In Maricopa 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 Maricopa for better planning.

Maximum UV Index Levels in Maricopa for December

The chart shows the monthly maximum UV Index (UVI) for Maricopa 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 Maricopa typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112111110854
Data source: Maricopa 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 Maricopa Compares to Other Months

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

This table compares monthly weather conditions in Maricopa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)18 mm (0.7 inches)76%moderate
February Weather14°C (58°F)30 mm (1.2 inches)79%high
March Weather18°C (65°F)20 mm (0.8 inches)67%very high
April Weather24°C (75°F)1 mm (0.0 inches)55%extreme
May Weather27°C (81°F)2 mm (0.1 inches)40%extreme
June Weather33°C (91°F)7 mm (0.3 inches)33%extreme
July Weather34°C (94°F)48 mm (1.9 inches)34%extreme
August Weather34°C (93°F)43 mm (1.7 inches)48%extreme
September Weather31°C (88°F)21 mm (0.8 inches)64%very high
October Weather24°C (76°F)16 mm (0.6 inches)67%very high
November Weather19°C (66°F)12 mm (0.5 inches)77%moderate
December Weather13°C (55°F)22 mm (0.9 inches)82%moderate

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