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December Weather in Rio Tercero, Argentina

Last updated: August 22, 2025

In December, the average temperature in Rio Tercero, Argentina reaches a pleasant 23°C (75°F). However, be prepared for temperature fluctuations, as it can dip to a minimum of 8°C (47°F) and soar to a maximum of 42°C (107°F). Rainfall is expected with a total precipitation of 83 mm (3.3 in) spread over about 8 days, while the average humidity stands at a comfortable 47%.

December Temperature in Rio Tercero

In December in Rio Tercero, the average temperature is 23°C (75°F). The maximum can reach 42°C (107°F), while the minimum can be as low as 8°C (47°F). Be prepared for a wide range of temperatures if you're planning to travel during this month.

December Weather in Rio Tercero: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rio Tercero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Tercero, December typically has an average temperature of 23°C (75°F), with highs reaching up to 42°C (107°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec747268645650485459647074
Data source: Temperature data for Rio Tercero 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 Rio Tercero

In Rio Tercero in December, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

December Precipitation Trends in Rio Tercero

The chart displays monthly precipitation patterns in Rio Tercero, 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 Rio Tercero, December typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec119796777411210524508783
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Tercero

In Rio Tercero in December humidity is 47%. With an average temperature of 23°C (75°F), this humidity feels like a comfortable embrace, making it pleasant for traveling and exploring the sights while enjoying a light breeze.

December Average Humidity in Rio Tercero

This chart illustrates the average monthly humidity levels in Rio Tercero, 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 Rio Tercero is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%63%74%78%71%57%53%56%50%54%47%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio Tercero

In Rio Tercero 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 Rio Tercero, you can check here.

Maximum UV Index Levels in Rio Tercero for December

The chart shows the monthly maximum UV Index (UVI) for Rio Tercero 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 Rio Tercero typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311864568111414
Data source: Rio Tercero 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 Rio Tercero Compares to Other Months

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

This table compares monthly weather conditions in Rio Tercero, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)119 mm (4.7 inches)45%extreme
February Weather22°C (72°F)79 mm (3.1 inches)52%extreme
March Weather20°C (69°F)67 mm (2.6 inches)63%extreme
April Weather18°C (64°F)77 mm (3.0 inches)74%very high
May Weather13°C (56°F)41 mm (1.6 inches)78%high
June Weather10°C (50°F)12 mm (0.5 inches)71%moderate
July Weather9°C (49°F)10 mm (0.4 inches)57%moderate
August Weather12°C (54°F)5 mm (0.2 inches)53%high
September Weather15°C (59°F)24 mm (0.9 inches)56%very high
October Weather18°C (64°F)50 mm (2.0 inches)50%extreme
November Weather21°C (71°F)87 mm (3.4 inches)54%extreme
December Weather23°C (75°F)83 mm (3.3 inches)47%extreme

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