December Weather in Navajo, United States

Last updated: June 24, 2025

In December, the average temperature in Navajo, United States hovers around -5°C (23°F). However, temperatures can dip as low as -26°C (-15°F) and reach a maximum of 12°C (54°F). Expect 64 mm (2.5 in) of precipitation spread over 9 days, accompanied by a high average humidity of 85%. Stay prepared for a chilly, wet month!

December Temperature in Navajo

In December in Navajo, the average temperature is -5°C (23°F), with maximums reaching 12°C (54°F) and minimums dropping as low as -26°C (-15°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both cold and milder days.

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

The chart illustrates December temperature patterns in Navajo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Navajo, December typically has an average temperature of -5°C (23°F), with highs reaching up to 12°C (54°F) and lows dropping to around -26°C (-15°F).

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

December Precipitation in Navajo

In Navajo in December, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

December Precipitation Trends in Navajo

The chart displays monthly precipitation patterns in Navajo, 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 Navajo, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 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 Navajo

In Navajo in December, humidity is 85%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that clings to your skin, making even the briefest outdoor excursions feel daunting and uncomfortable.

December Average Humidity in Navajo

This chart illustrates the average monthly humidity levels in Navajo, 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 Navajo 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 Navajo

In Navajo 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 Navajo for better planning.

Maximum UV Index Levels in Navajo for December

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

Data source: Navajo 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 Navajo Compares to Other Months

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

This table compares monthly weather conditions in Navajo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	67 mm (2.6 inches)	84%	moderate
February Weather	-4°C (26°F)	74 mm (2.9 inches)	84%	high
March Weather	0°C (33°F)	83 mm (3.3 inches)	74%	very high
April Weather	6°C (43°F)	30 mm (1.2 inches)	68%	extreme
May Weather	12°C (53°F)	43 mm (1.7 inches)	62%	extreme
June Weather	18°C (64°F)	29 mm (1.2 inches)	55%	extreme
July Weather	20°C (68°F)	44 mm (1.7 inches)	54%	extreme
August Weather	19°C (66°F)	25 mm (1.0 inches)	61%	extreme
September Weather	15°C (60°F)	53 mm (2.1 inches)	70%	very high
October Weather	8°C (46°F)	69 mm (2.7 inches)	78%	very high
November Weather	2°C (35°F)	38 mm (1.5 inches)	81%	high
December Weather	-5°C (23°F)	64 mm (2.5 inches)	85%	moderate