December Weather in Keener, United States

Last updated: June 24, 2025

In Keener, United States, the average temperature in December hovers around 9°C (49°F). Expect a wide range, with minimum temperatures dipping to -7°C (20°F) and maximums soaring to 25°C (78°F). During this month, you can anticipate 113 mm (4.4 in) of precipitation spread over about 9 days, accompanied by an average humidity level of a humid 86%.

December Temperature in Keener

In December in Keener, the average temperature is 9°C (49°F), with maximums reaching 25°C (78°F) and minimums dropping as low as -7°C (20°F). Be prepared for a wide range of temperatures while traveling, ensuring you pack accordingly for both warm and chilly days.

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

The chart illustrates December temperature patterns in Keener, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keener, December typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -7°C (20°F).

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

December Precipitation in Keener

In Keener in December, the precipitation amount is 113 mm (4.4 in) over a period of 9 days.

December Precipitation Trends in Keener

The chart displays monthly precipitation patterns in Keener, 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 Keener, December typically receives around 113 mm (4.4 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 Keener

In Keener in December, humidity is 86%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making travel uncomfortable as the moisture clings to your skin and thickens the atmosphere, creating a sense of heaviness that can tire you quickly.

December Average Humidity in Keener

This chart illustrates the average monthly humidity levels in Keener, 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 Keener is approximately 86%, 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 Keener

In Keener 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 Keener for better planning.

Maximum UV Index Levels in Keener for December

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

Data source: Keener 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 Keener Compares to Other Months

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

This table compares monthly weather conditions in Keener, 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 (46°F)	86 mm (3.4 inches)	85%	moderate
February Weather	10°C (51°F)	86 mm (3.4 inches)	82%	high
March Weather	12°C (55°F)	68 mm (2.7 inches)	81%	very high
April Weather	17°C (64°F)	96 mm (3.8 inches)	80%	very high
May Weather	22°C (72°F)	121 mm (4.8 inches)	81%	extreme
June Weather	25°C (77°F)	145 mm (5.7 inches)	81%	extreme
July Weather	27°C (81°F)	127 mm (5.0 inches)	81%	extreme
August Weather	26°C (79°F)	174 mm (6.9 inches)	80%	very high
September Weather	24°C (75°F)	174 mm (6.8 inches)	79%	very high
October Weather	19°C (67°F)	54 mm (2.1 inches)	80%	very high
November Weather	12°C (53°F)	80 mm (3.2 inches)	85%	moderate
December Weather	9°C (49°F)	113 mm (4.4 inches)	86%	moderate