December Weather in Naco, United States

Last updated: June 24, 2025

In December, the average temperature in Naco, United States hovers around 9°C (48°F), with a minimal drop to -5°C (23°F) and a peak of 23°C (74°F). Expect about 22 mm (0.9 in) of precipitation spread over 4 days, contributing to a relatively high average humidity of 81%. This combination creates a unique climate that balances crispness and mildness, perfect for those who enjoy the nuances of seasonal change.

December Temperature in Naco

In December in Naco, the average temperature is 9°C (48°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -5°C (23°F). This variability makes it essential to pack versatile clothing for your travels.

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

The chart illustrates December temperature patterns in Naco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naco, December typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (74°F) and lows dropping to around -5°C (23°F).

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

December Precipitation in Naco

In Naco in December, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

December Precipitation Trends in Naco

The chart displays monthly precipitation patterns in Naco, 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 Naco, December typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 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 Naco

In Naco in December, humidity is 81%. With an average temperature of 9°C (48°F), this humidity feels like a chilly, damp embrace that can make outdoor activities less enjoyable and may require extra layers to stay comfortable while traveling.

December Average Humidity in Naco

This chart illustrates the average monthly humidity levels in Naco, 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 Naco is approximately 81%, 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 Naco

In Naco 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 Naco.

Maximum UV Index Levels in Naco for December

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

Data source: Naco 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 Naco Compares to Other Months

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

This table compares monthly weather conditions in Naco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	22 mm (0.9 inches)	74%	moderate
February Weather	10°C (50°F)	23 mm (0.9 inches)	71%	very high
March Weather	13°C (56°F)	17 mm (0.7 inches)	60%	very high
April Weather	18°C (65°F)	4 mm (0.1 inches)	43%	extreme
May Weather	22°C (71°F)	3 mm (0.1 inches)	32%	extreme
June Weather	27°C (81°F)	8 mm (0.3 inches)	28%	extreme
July Weather	26°C (79°F)	82 mm (3.2 inches)	38%	extreme
August Weather	25°C (78°F)	65 mm (2.6 inches)	60%	extreme
September Weather	23°C (75°F)	38 mm (1.5 inches)	72%	extreme
October Weather	19°C (66°F)	17 mm (0.7 inches)	66%	very high
November Weather	14°C (57°F)	30 mm (1.2 inches)	74%	high
December Weather	9°C (48°F)	22 mm (0.9 inches)	81%	moderate