December Weather in Maricopa, United States

Last updated: June 24, 2025

In December, the average temperature in Maricopa, United States hovers around 10°C (50°F), with temperatures ranging from a chilly 0°C (32°F) to a warm 23°C (73°F). Expect 44 mm (1.7 in) of precipitation over approximately 6 days, contributing to an average humidity of 76%—perfect for those who enjoy a refreshing, temperate climate.

December Temperature in Maricopa

In December in Maricopa, the average temperature is 10°C (50°F), with maximums reaching 23°C (73°F) and minimums dropping as low as 0°C (32°F). This range makes it an ideal time for travelers to enjoy a variety of outdoor activities while still having the option to cozy up indoors in case of cooler days.

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 10°C (50°F), with highs reaching up to 23°C (73°F) and lows dropping to around 0°C (32°F).

Data source: Temperature data for Maricopa generated using information from the Copernicus Climate Change Service.

December Precipitation in Maricopa

In Maricopa in December, the total precipitation amount is 44 mm (1.7 in) spread over 6 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 44 mm (1.7 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Maricopa

In Maricopa in December, humidity is 76%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities quite uncomfortable and necessitating a layer of warmth 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 76%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	53 mm (2.1 inches)	78%	moderate
February Weather	10°C (51°F)	58 mm (2.3 inches)	82%	high
March Weather	11°C (53°F)	68 mm (2.7 inches)	75%	very high
April Weather	15°C (60°F)	29 mm (1.1 inches)	68%	very high
May Weather	19°C (66°F)	12 mm (0.5 inches)	57%	extreme
June Weather	24°C (76°F)	1 mm (0.1 inches)	52%	extreme
July Weather	28°C (82°F)	2 mm (0.1 inches)	46%	extreme
August Weather	27°C (81°F)	1 mm (0.0 inches)	39%	extreme
September Weather	24°C (75°F)	2 mm (0.1 inches)	48%	very high
October Weather	18°C (65°F)	8 mm (0.3 inches)	59%	high
November Weather	14°C (57°F)	15 mm (0.6 inches)	72%	moderate
December Weather	10°C (50°F)	44 mm (1.7 inches)	76%	moderate