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December Weather in Santa Rosa de Rio Primero, Argentina

Last updated: August 22, 2025

In Santa Rosa de Rio Primero, Argentina, the average temperature in December is a pleasant 25°C (77°F). However, temperatures can vary widely, with a minimum of 10°C (51°F) and soaring to a maximum of 42°C (107°F). Expect some rain, with an average precipitation of 90 mm (3.5 in) spread over 9 days in the month. The average humidity sits at a comfortable 53%, making it a great time to explore!

December Temperature in Santa Rosa de Rio Primero

In December in Santa Rosa de Rio Primero, the average temperature is 25°C (77°F). Maximums can reach 42°C (107°F), while minimums can drop to as low as 10°C (51°F). Therefore, travelers should be prepared for a wide range of temperatures and pack accordingly.

December Weather in Santa Rosa de Rio Primero: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Rosa de Rio Primero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa de Rio Primero, December typically has an average temperature of 25°C (77°F), with highs reaching up to 42°C (107°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec787571675953525662677377
Data source: Temperature data for Santa Rosa de Rio Primero 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 Santa Rosa de Rio Primero

In Santa Rosa de Rio Primero in December, the precipitation amount is 90 mm (3.5 in) over the course of 9 days.

December Precipitation Trends in Santa Rosa de Rio Primero

The chart displays monthly precipitation patterns in Santa Rosa de Rio Primero, 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 Santa Rosa de Rio Primero, December typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec119837885461413725569990
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Rosa de Rio Primero

In Santa Rosa de Rio Primero in December, humidity is 53%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making travel pleasantly enjoyable but slightly sticky, prompting you to seek shade and stay hydrated as you explore the sights.

December Average Humidity in Santa Rosa de Rio Primero

This chart illustrates the average monthly humidity levels in Santa Rosa de Rio Primero, 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 Santa Rosa de Rio Primero is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%54%59%77%82%74%55%48%53%45%53%53%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Rosa de Rio Primero

In Santa Rosa de Rio Primero 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 Santa Rosa de Rio Primero, you can check here.

Maximum UV Index Levels in Santa Rosa de Rio Primero for December

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa de Rio Primero 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 Santa Rosa de Rio Primero typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312964579121414
Data source: Santa Rosa de Rio Primero 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 Santa Rosa de Rio Primero Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa de Rio Primero, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)119 mm (4.7 inches)48%extreme
February Weather24°C (75°F)83 mm (3.3 inches)54%extreme
March Weather22°C (72°F)78 mm (3.1 inches)59%extreme
April Weather19°C (67°F)85 mm (3.3 inches)76%very high
May Weather15°C (59°F)46 mm (1.8 inches)82%high
June Weather12°C (53°F)14 mm (0.5 inches)74%moderate
July Weather11°C (52°F)13 mm (0.5 inches)55%moderate
August Weather13°C (57°F)7 mm (0.3 inches)48%high
September Weather17°C (62°F)25 mm (1.0 inches)53%very high
October Weather20°C (68°F)56 mm (2.2 inches)45%extreme
November Weather23°C (73°F)99 mm (3.9 inches)53%extreme
December Weather25°C (77°F)90 mm (3.5 inches)53%extreme

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