December Weather in Rivadavia, Argentina

Last updated: August 22, 2025

In Rivadavia, Argentina, the average temperature in December reaches a warm 30°C (86°F), with daily extremes ranging from a cool 17°C (62°F) to a sizzling 46°C (114°F). Rainfall is moderate, averaging 98 mm (3.9 in) over 11 days, and humidity levels are notably high at 85%, creating a hot and humid environment that is characteristic of this vibrant location.

December Temperature in Rivadavia

In December in Rivadavia, the average temperature is 30°C (86°F). The maximum can reach 46°C (114°F), and the minimum can be as low as 17°C (62°F). Be prepared for a mix of warm days and cooler evenings when traveling to Rivadavia during this time.

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 30°C (86°F), with highs reaching up to 46°C (114°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec868380756863626875798386
Data source: Temperature data for Rivadavia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Rivadavia

In Rivadavia in December, the total precipitation amount is 98 mm (3.9 in) over the course of 11 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 98 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1391541379831191410236511098
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rivadavia

In Rivadavia in December humidity is 85%. With an average temperature of 30°C (86°F), this humidity feels like a thick blanket enveloping you, making outdoor activities exhausting and sweat-drenched, while also creating an atmosphere that can be stifling for travelers.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%75%76%85%88%79%60%45%53%55%75%85%
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 reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141311867810131515
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.
 TemperaturePrecipitationHumidityUV
January Weather30°C (86°F)139 mm (5.5 inches)81%extreme
February Weather28°C (83°F)154 mm (6.1 inches)75%extreme
March Weather26°C (80°F)137 mm (5.4 inches)76%extreme
April Weather24°C (75°F)98 mm (3.9 inches)85%extreme
May Weather20°C (68°F)31 mm (1.2 inches)88%very high
June Weather17°C (63°F)19 mm (0.8 inches)79%high
July Weather17°C (62°F)14 mm (0.6 inches)60%high
August Weather20°C (68°F)10 mm (0.4 inches)45%very high
September Weather24°C (75°F)23 mm (0.9 inches)53%very high
October Weather26°C (80°F)65 mm (2.6 inches)55%extreme
November Weather28°C (83°F)110 mm (4.3 inches)75%extreme
December Weather30°C (86°F)98 mm (3.9 inches)85%extreme

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