December Weather in Arias, Argentina

Last updated: August 22, 2025

In December, the average temperature in Arias, Argentina is a pleasant 23°C (74°F). Expect a range, with minimum temperatures dipping to 8°C (46°F) and highs soaring up to 38°C (100°F). The month brings about 89 mm (3.5 in) of precipitation over 8 days, while the average humidity sits at a comfortable 47%. Enjoy the perfect blend of warmth and refreshing breezes!

December Temperature in Arias

In December in Arias, the average temperature is 23°C (74°F). Maximums can reach 38°C (100°F) and minimums can be as low as 8°C (46°F). This makes it an ideal time for travelers seeking warm weather while also being prepared for cooler evenings.

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

The chart illustrates December temperature patterns in Arias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arias, December typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (100°F) and lows dropping to around 8°C (46°F).

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

December Precipitation in Arias

In Arias in December, the precipitation amount is 89 mm (3.5 in) over a span of 8 days.

December Precipitation Trends in Arias

The chart displays monthly precipitation patterns in Arias, 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 Arias, December typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 8 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 Arias

In Arias in December, humidity is 47%. With an average temperature of 23°C (74°F), this humidity feels like a pleasantly refreshing embrace that enhances the warmth, making it comfortable for traveling and exploring the sights.

December Average Humidity in Arias

This chart illustrates the average monthly humidity levels in Arias, 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 Arias is approximately 47%, 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 Arias

In Arias 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 Arias, you can check here.

Maximum UV Index Levels in Arias for December

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

Data source: Arias 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 Arias Compares to Other Months

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

This table compares monthly weather conditions in Arias, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	120 mm (4.7 inches)	45%	extreme
February Weather	23°C (73°F)	77 mm (3.0 inches)	52%	extreme
March Weather	21°C (69°F)	107 mm (4.2 inches)	63%	extreme
April Weather	18°C (65°F)	107 mm (4.2 inches)	74%	very high
May Weather	14°C (57°F)	64 mm (2.5 inches)	78%	moderate
June Weather	10°C (51°F)	17 mm (0.7 inches)	71%	moderate
July Weather	10°C (50°F)	15 mm (0.6 inches)	57%	moderate
August Weather	12°C (54°F)	17 mm (0.7 inches)	53%	high
September Weather	15°C (59°F)	67 mm (2.7 inches)	56%	very high
October Weather	17°C (63°F)	89 mm (3.5 inches)	50%	extreme
November Weather	21°C (70°F)	90 mm (3.5 inches)	54%	extreme
December Weather	23°C (74°F)	89 mm (3.5 inches)	47%	extreme