December Weather in Allendale, United States

Last updated: June 24, 2025

In Allendale, United States, the average temperature in December hovers around 11°C (53°F), with a minimum of -5°C (23°F) and a maximum reaching up to 27°C (80°F). Expect a total precipitation of 126 mm (5.0 in) spread over 9 days, accompanied by a high average humidity of 87%. Prepare for a month of varied weather!

December Temperature in Allendale

In December in Allendale, the average temperature is 11°C (53°F). Maximums can reach 27°C (80°F), and minimums can be as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling to Allendale during this month.

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

The chart illustrates December temperature patterns in Allendale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allendale, December typically has an average temperature of 11°C (53°F), with highs reaching up to 27°C (80°F) and lows dropping to around -5°C (23°F).

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

December Precipitation in Allendale

In Allendale in December, the precipitation amount is 126 mm (5.0 in) spread over 9 days.

December Precipitation Trends in Allendale

The chart displays monthly precipitation patterns in Allendale, 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 Allendale, December typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Allendale

In Allendale in December, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.

December Average Humidity in Allendale

This chart illustrates the average monthly humidity levels in Allendale, 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 Allendale is approximately 87%, 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 Allendale

In Allendale 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 Allendale for better planning.

Maximum UV Index Levels in Allendale for December

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

Data source: Allendale 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 Allendale Compares to Other Months

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

This table compares monthly weather conditions in Allendale, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	81 mm (3.2 inches)	86%	moderate
February Weather	13°C (56°F)	104 mm (4.1 inches)	81%	high
March Weather	16°C (60°F)	73 mm (2.9 inches)	81%	very high
April Weather	19°C (66°F)	119 mm (4.7 inches)	79%	very high
May Weather	24°C (75°F)	94 mm (3.7 inches)	75%	extreme
June Weather	26°C (79°F)	121 mm (4.8 inches)	75%	extreme
July Weather	28°C (82°F)	143 mm (5.6 inches)	80%	extreme
August Weather	27°C (81°F)	142 mm (5.6 inches)	81%	extreme
September Weather	26°C (78°F)	85 mm (3.3 inches)	83%	very high
October Weather	21°C (71°F)	72 mm (2.8 inches)	78%	very high
November Weather	14°C (57°F)	63 mm (2.5 inches)	85%	high
December Weather	11°C (53°F)	126 mm (5.0 inches)	87%	moderate