December Weather in Rivadavia, Argentina

Last updated: August 22, 2025

In December, the average temperature in Rivadavia, Argentina is a pleasant 20°C (68°F). However, visitors should be prepared for a range of temperatures—with lows of 5°C (42°F) and highs reaching up to 35°C (95°F). Expect about 94 mm (3.7 in) of precipitation over the course of 13 days, while enjoying an average humidity of 37%.

December Temperature in Rivadavia

In December in Rivadavia, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F), and minimums can be as low as 5°C (42°F). It's a great time to visit for those who enjoy a mix of warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Rivadavia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rivadavia, December typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (42°F).

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

December Precipitation in Rivadavia

In Rivadavia in December, the precipitation amount is 94 mm (3.7 in) spread over 13 days.

December Precipitation Trends in Rivadavia

The chart displays monthly precipitation patterns in Rivadavia, 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 Rivadavia, December typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 13 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 Rivadavia

In Rivadavia in December, humidity is 37%. With an average temperature of 20°C (68°F), this humidity feels like a pleasant and comfortable environment for traveling, making it easy to explore the area without feeling too hot or sticky.

December Average Humidity in Rivadavia

This chart illustrates the average monthly humidity levels in Rivadavia, 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 Rivadavia is approximately 37%, 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 Rivadavia

In Rivadavia in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Rivadavia.

Maximum UV Index Levels in Rivadavia for December

The chart shows the monthly maximum UV Index (UVI) for Rivadavia 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 Rivadavia typically reaches 16, which falls under the extreme exposure category.

Data source: Rivadavia 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 Rivadavia Compares to Other Months

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

This table compares monthly weather conditions in Rivadavia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	86 mm (3.4 inches)	44%	extreme
February Weather	19°C (67°F)	94 mm (3.7 inches)	48%	extreme
March Weather	17°C (64°F)	61 mm (2.4 inches)	56%	extreme
April Weather	14°C (58°F)	51 mm (2.0 inches)	67%	very high
May Weather	10°C (50°F)	39 mm (1.5 inches)	66%	high
June Weather	6°C (44°F)	17 mm (0.7 inches)	58%	moderate
July Weather	6°C (42°F)	18 mm (0.7 inches)	58%	moderate
August Weather	9°C (48°F)	9 mm (0.4 inches)	52%	high
September Weather	12°C (53°F)	34 mm (1.4 inches)	45%	very high
October Weather	14°C (58°F)	58 mm (2.3 inches)	43%	extreme
November Weather	18°C (64°F)	80 mm (3.1 inches)	41%	extreme
December Weather	20°C (68°F)	94 mm (3.7 inches)	37%	extreme