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December Weather in Las Rosas, Argentina

Last updated: August 22, 2025

In December, the average temperature in Las Rosas, Argentina is a pleasant 24°C (75°F). Temperatures can fluctuate significantly, with a minimum drop to 9°C (48°F) and a peak reaching up to 38°C (101°F). Expect moderate rainfall, with about 86 mm (3.4 in) of precipitation spread over 7 days. The atmosphere is relatively comfortable, featuring an average humidity of 51%.

December Temperature in Las Rosas

In December in Las Rosas, the average temperature is 24°C (75°F). The maximum can reach 38°C (101°F), while the minimum can drop to as low as 9°C (48°F). This diverse range of temperatures makes Las Rosas an ideal destination for travelers seeking both warm days and cooler evenings.

December Weather in Las Rosas: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Las Rosas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Rosas, December typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec767470665853515561657275
Data source: Temperature data for Las Rosas 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 Las Rosas

In Las Rosas in December, the total precipitation amount is 86 mm (3.4 in) over a span of 7 days.

December Precipitation Trends in Las Rosas

The chart displays monthly precipitation patterns in Las Rosas, 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 Las Rosas, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec11459921288417222544757386
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Las Rosas

In Las Rosas in December humidity is 51%. With an average temperature of 24°C (75°F), this humidity feels like a pleasantly warm embrace, making it ideal for leisurely strolls and outdoor exploration without overwhelming discomfort.

December Average Humidity in Las Rosas

This chart illustrates the average monthly humidity levels in Las Rosas, 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 Las Rosas is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%55%64%76%82%77%62%59%62%52%56%51%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Las Rosas

In Las Rosas 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 Las Rosas, you can check here.

Maximum UV Index Levels in Las Rosas for December

The chart shows the monthly maximum UV Index (UVI) for Las Rosas 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 Las Rosas typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468111414
Data source: Las Rosas 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 Las Rosas Compares to Other Months

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

This table compares monthly weather conditions in Las Rosas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)114 mm (4.5 inches)48%extreme
February Weather23°C (74°F)59 mm (2.3 inches)55%extreme
March Weather21°C (71°F)92 mm (3.6 inches)64%extreme
April Weather19°C (66°F)127 mm (5.0 inches)76%very high
May Weather14°C (58°F)84 mm (3.3 inches)82%moderate
June Weather12°C (53°F)17 mm (0.7 inches)77%moderate
July Weather11°C (52°F)22 mm (0.9 inches)62%moderate
August Weather13°C (56°F)25 mm (1.0 inches)59%high
September Weather16°C (61°F)43 mm (1.7 inches)62%very high
October Weather19°C (66°F)75 mm (3.0 inches)52%extreme
November Weather22°C (72°F)73 mm (2.9 inches)56%extreme
December Weather24°C (75°F)86 mm (3.4 inches)51%extreme

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