December Weather in Anza, United States

Last updated: June 24, 2025

In December, the average temperature in Anza, United States hovers around 9°C (49°F), providing a cool atmosphere. Expect a minimum drop to -3°C (27°F) and the possibility of rising to a comfortable 25°C (78°F). During this time, anticipate 54 mm (2.1 in) of precipitation spread over 5 days, contributing to an average humidity level of 74%.

December Temperature in Anza

In December in Anza, the average temperature is 9°C (49°F). Maximum temperatures can reach 25°C (78°F), while minimum temperatures can drop as low as -3°C (27°F). This range makes Anza an ideal destination for those seeking a mix of mild days and crisp nights for their travels.

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

The chart illustrates December temperature patterns in Anza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Anza, December typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in Anza

In Anza in December, the total precipitation amount is 54 mm (2.1 in) spread over a period of 5 days.

December Precipitation Trends in Anza

The chart displays monthly precipitation patterns in Anza, 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 Anza, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 5 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 Anza

In Anza in December humidity is 74%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace that can make outdoor activities somewhat uncomfortable; travelers may find themselves needing to dress in layers to stay warm while also coping with the dampness in the air.

December Average Humidity in Anza

This chart illustrates the average monthly humidity levels in Anza, 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 Anza is approximately 74%, 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 Anza

In Anza 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 Anza for better planning.

Maximum UV Index Levels in Anza for December

The chart shows the monthly maximum UV Index (UVI) for Anza 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 Anza typically reaches 4, which falls under the moderate exposure category.

Data source: Anza 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 Anza Compares to Other Months

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

This table compares monthly weather conditions in Anza, 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)	58 mm (2.3 inches)	72%	moderate
February Weather	9°C (49°F)	66 mm (2.6 inches)	77%	high
March Weather	11°C (52°F)	54 mm (2.1 inches)	67%	very high
April Weather	15°C (58°F)	25 mm (1.0 inches)	56%	extreme
May Weather	17°C (62°F)	15 mm (0.6 inches)	46%	extreme
June Weather	22°C (71°F)	3 mm (0.1 inches)	48%	extreme
July Weather	25°C (77°F)	34 mm (1.4 inches)	46%	extreme
August Weather	25°C (77°F)	21 mm (0.8 inches)	42%	extreme
September Weather	23°C (73°F)	11 mm (0.4 inches)	52%	very high
October Weather	18°C (64°F)	14 mm (0.5 inches)	58%	very high
November Weather	14°C (57°F)	23 mm (0.9 inches)	66%	moderate
December Weather	9°C (49°F)	54 mm (2.1 inches)	74%	moderate