December Weather in Lower Brule, United States

Last updated: June 24, 2025

In December, the average temperature in Lower Brule, United States hovers around -3°C (26°F). Expect chilly conditions with a minimum dipping to -26°C (-14°F) and a pleasant maximum reaching 19°C (66°F). With an average humidity of 79%, you'll also want to prepare for some precipitation, averaging 29 mm (1.2 in) over 4 days. Stay warm and enjoy the unique weather of this enchanting locale!

December Temperature in Lower Brule

In December in Lower Brule, the average temperature is -3°C (26°F), with maximums reaching 19°C (66°F) and minimums plunging as low as -26°C (-14°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.

December Weather in Lower Brule: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lower Brule, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lower Brule, December typically has an average temperature of -3°C (26°F), with highs reaching up to 19°C (66°F) and lows dropping to around -26°C (-14°F).

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

December Precipitation in Lower Brule

In Lower Brule in December, the total precipitation amount is 29 mm (1.2 in) spread over the course of 4 days.

December Precipitation Trends in Lower Brule

The chart displays monthly precipitation patterns in Lower Brule, 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 Lower Brule, December typically receives around 29 mm (1.2 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 Lower Brule

In Lower Brule in December, humidity is 79%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration brisk and invigorating, yet challenging for those unaccustomed to the cold dampness.

December Average Humidity in Lower Brule

This chart illustrates the average monthly humidity levels in Lower Brule, 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 Lower Brule is approximately 79%, 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 Lower Brule

In Lower Brule in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Lower Brule, you can visit Hourly UV Index in Lower Brule.

Maximum UV Index Levels in Lower Brule for December

The chart shows the monthly maximum UV Index (UVI) for Lower Brule 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 Lower Brule typically reaches 2, which falls under the low exposure category.

Data source: Lower Brule 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 Lower Brule Compares to Other Months

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

This table compares monthly weather conditions in Lower Brule, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	17 mm (0.7 inches)	77%	low
February Weather	-7°C (19°F)	20 mm (0.8 inches)	81%	moderate
March Weather	1°C (35°F)	44 mm (1.7 inches)	71%	moderate
April Weather	7°C (44°F)	57 mm (2.2 inches)	75%	high
May Weather	15°C (59°F)	79 mm (3.1 inches)	74%	very high
June Weather	23°C (73°F)	76 mm (3.0 inches)	82%	very high
July Weather	25°C (78°F)	77 mm (3.0 inches)	84%	very high
August Weather	23°C (74°F)	56 mm (2.2 inches)	82%	very high
September Weather	19°C (66°F)	66 mm (2.6 inches)	75%	very high
October Weather	9°C (48°F)	56 mm (2.2 inches)	72%	moderate
November Weather	2°C (36°F)	13 mm (0.5 inches)	81%	moderate
December Weather	-3°C (26°F)	29 mm (1.2 inches)	79%	low