December Weather in Pecos, United States

Last updated: June 24, 2025

In December, the average temperature in Pecos, United States hovers around 11°C (51°F). You might experience a chilly minimum of -6°C (22°F), but don't be surprised by a warm maximum reaching 29°C (84°F). With an average humidity of 85%, this month brings a subtle touch of dampness, accompanied by a light precipitation amount of 10 mm (0.4 in) over just 1 day.

December Temperature in Pecos

In December in Pecos, the average temperature is 11°C (51°F). The maximum can reach 29°C (84°F), and the minimum can be as low as -6°C (22°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates December temperature patterns in Pecos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pecos, December typically has an average temperature of 11°C (51°F), with highs reaching up to 29°C (84°F) and lows dropping to around -6°C (22°F).

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

December Precipitation in Pecos

In Pecos in December, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

December Precipitation Trends in Pecos

The chart displays monthly precipitation patterns in Pecos, 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 Pecos, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 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 Pecos

In Pecos in December humidity is 85%. With an average temperature of 11°C (51°F), this humidity feels like a chilly embrace that seeps into your bones, making outdoor activities a bit uncomfortable and encouraging a more relaxed, slow-paced exploration of the area.

December Average Humidity in Pecos

This chart illustrates the average monthly humidity levels in Pecos, 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 Pecos is approximately 85%, 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 Pecos

In Pecos 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 Pecos.

Maximum UV Index Levels in Pecos for December

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

Data source: Pecos 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 Pecos Compares to Other Months

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

This table compares monthly weather conditions in Pecos, 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)	10 mm (0.4 inches)	76%	moderate
February Weather	11°C (53°F)	8 mm (0.3 inches)	74%	very high
March Weather	17°C (63°F)	17 mm (0.7 inches)	63%	very high
April Weather	22°C (71°F)	9 mm (0.4 inches)	61%	extreme
May Weather	27°C (80°F)	16 mm (0.6 inches)	68%	extreme
June Weather	30°C (87°F)	23 mm (0.9 inches)	70%	extreme
July Weather	31°C (88°F)	13 mm (0.5 inches)	70%	extreme
August Weather	31°C (87°F)	22 mm (0.9 inches)	67%	extreme
September Weather	27°C (80°F)	33 mm (1.3 inches)	74%	extreme
October Weather	21°C (70°F)	22 mm (0.8 inches)	75%	very high
November Weather	15°C (59°F)	8 mm (0.3 inches)	84%	high
December Weather	11°C (51°F)	10 mm (0.4 inches)	85%	moderate