December Weather in Allen, Argentina

Last updated: August 22, 2025

In December, the average temperature in Allen, Argentina is a pleasant 23°C (74°F). You might experience a minimum of 8°C (47°F) and a maximum of 39°C (102°F), offering a wide range of weather. Expect a total precipitation of about 19 mm (0.8 in) over 3 days, accompanied by an average humidity of 42%. Perfect weather for exploring!

December Temperature in Allen

In December in Allen, the average temperature is 23°C (74°F), with maximums reaching 39°C (102°F) and minimums dropping as low as 8°C (47°F). This makes it essential for travelers to pack both light clothing for the warm days and warmer layers for the cooler evenings.

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

The chart illustrates December temperature patterns in Allen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allen, December typically has an average temperature of 23°C (74°F), with highs reaching up to 39°C (102°F) and lows dropping to around 8°C (47°F).

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

December Precipitation in Allen

In Allen in December, the precipitation amount averaged 19 mm (0.8 in) over a span of 3 days.

December Precipitation Trends in Allen

The chart displays monthly precipitation patterns in Allen, 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 Allen, December typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 3 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 Allen

In Allen in December, humidity is 42%. With an average temperature of 23°C (74°F), this humidity feels like a comfortable embrace, making it pleasant for traveling and exploring the sights without feeling too sticky or oppressive.

December Average Humidity in Allen

This chart illustrates the average monthly humidity levels in Allen, 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 Allen is approximately 42%, 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 Allen

In Allen in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Allen, you can check here.

Maximum UV Index Levels in Allen for December

The chart shows the monthly maximum UV Index (UVI) for Allen 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 Allen typically reaches 14, which falls under the extreme exposure category.

Data source: Allen 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 Allen Compares to Other Months

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

This table compares monthly weather conditions in Allen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	8 mm (0.3 inches)	43%	extreme
February Weather	24°C (75°F)	8 mm (0.3 inches)	45%	extreme
March Weather	20°C (68°F)	15 mm (0.6 inches)	54%	very high
April Weather	16°C (61°F)	27 mm (1.1 inches)	67%	high
May Weather	11°C (51°F)	27 mm (1.1 inches)	72%	moderate
June Weather	8°C (46°F)	20 mm (0.8 inches)	73%	moderate
July Weather	7°C (44°F)	33 mm (1.3 inches)	77%	moderate
August Weather	9°C (49°F)	8 mm (0.3 inches)	73%	moderate
September Weather	13°C (55°F)	17 mm (0.7 inches)	60%	high
October Weather	16°C (60°F)	14 mm (0.5 inches)	54%	very high
November Weather	20°C (68°F)	27 mm (1.1 inches)	47%	extreme
December Weather	23°C (74°F)	19 mm (0.8 inches)	42%	extreme