December Weather in Cortez, United States

Last updated: June 24, 2025

In December, the average temperature in Cortez, United States hovers around 19°C (66°F). Expect a minimum of 8°C (46°F) and a maximum of 25°C (77°F), providing a pleasant climate for outdoor adventures. With 64 mm (2.5 in) of precipitation spread over 6 days, don’t forget your umbrella! The air will feel quite humid, with an average humidity level of 84%.

December Temperature in Cortez

In December, in Cortez, the average temperature is 19°C (66°F). Maximums can reach 25°C (77°F) and minimums can be as low as 8°C (46°F). This diverse weather makes it an ideal destination for travelers seeking moderate temperatures and the chance to enjoy a variety of outdoor activities.

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

The chart illustrates December temperature patterns in Cortez, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cortez, December typically has an average temperature of 19°C (66°F), with highs reaching up to 25°C (77°F) and lows dropping to around 8°C (46°F).

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

December Precipitation in Cortez

In Cortez in December, the total precipitation amount is 64 mm (2.5 in) during a span of 6 days.

December Precipitation Trends in Cortez

The chart displays monthly precipitation patterns in Cortez, 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 Cortez, December typically receives around 64 mm (2.5 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 Cortez

In Cortez in December, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.

December Average Humidity in Cortez

This chart illustrates the average monthly humidity levels in Cortez, 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 Cortez is approximately 84%, 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 Cortez

In Cortez in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Cortez.

Maximum UV Index Levels in Cortez for December

The chart shows the monthly maximum UV Index (UVI) for Cortez 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 Cortez typically reaches 5, which falls under the moderate exposure category.

Data source: Cortez 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 Cortez Compares to Other Months

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

This table compares monthly weather conditions in Cortez, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	38 mm (1.5 inches)	82%	high
February Weather	19°C (66°F)	44 mm (1.7 inches)	82%	very high
March Weather	20°C (68°F)	22 mm (0.9 inches)	79%	very high
April Weather	23°C (73°F)	55 mm (2.2 inches)	78%	extreme
May Weather	25°C (77°F)	101 mm (4.0 inches)	76%	extreme
June Weather	27°C (81°F)	168 mm (6.6 inches)	75%	extreme
July Weather	28°C (82°F)	180 mm (7.1 inches)	74%	extreme
August Weather	28°C (83°F)	208 mm (8.2 inches)	74%	extreme
September Weather	27°C (82°F)	152 mm (6.0 inches)	78%	extreme
October Weather	26°C (79°F)	67 mm (2.7 inches)	79%	very high
November Weather	22°C (71°F)	47 mm (1.8 inches)	82%	high
December Weather	19°C (66°F)	64 mm (2.5 inches)	84%	moderate