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December Weather in Las Lajitas, Argentina

Last updated: August 22, 2025

In Las Lajitas, Argentina, the average temperature in December is a warm 26°C (79°F), with extremes ranging from a cool 12°C (55°F) to a scorching 42°C (107°F). Expect about 142 mm (5.6 in) of precipitation over 13 days, while humidity hovers around a balmy 85%, making for a lush and vibrant environment.

December Temperature in Las Lajitas

In December in Las Lajitas, the average temperature is 26°C (79°F). The maximum can reach 42°C (107°F) and the minimum can be as low as 12°C (55°F). Be prepared for warm to hot days, and pack layers for cooler evenings.

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

The chart illustrates December temperature patterns in Las Lajitas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Lajitas, December typically has an average temperature of 26°C (79°F), with highs reaching up to 42°C (107°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec797674706357576269747779
Data source: Temperature data for Las Lajitas 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 Lajitas

In Las Lajitas in December, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

December Precipitation Trends in Las Lajitas

The chart displays monthly precipitation patterns in Las Lajitas, 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 Lajitas, December typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec15815512910237181181687108142
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Las Lajitas

In Las Lajitas in December, humidity is 85%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities feel stifling and exhausting for travelers.

December Average Humidity in Las Lajitas

This chart illustrates the average monthly humidity levels in Las Lajitas, 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 Lajitas 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 Las Lajitas

In Las Lajitas 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 Las Lajitas.

Maximum UV Index Levels in Las Lajitas for December

The chart shows the monthly maximum UV Index (UVI) for Las Lajitas 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 Lajitas typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141311867811131515
Data source: Las Lajitas 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 Lajitas Compares to Other Months

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

This table compares monthly weather conditions in Las Lajitas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)158 mm (6.2 inches)81%extreme
February Weather25°C (76°F)155 mm (6.1 inches)75%extreme
March Weather23°C (74°F)129 mm (5.1 inches)76%extreme
April Weather21°C (70°F)102 mm (4.0 inches)85%extreme
May Weather17°C (63°F)37 mm (1.5 inches)88%very high
June Weather14°C (57°F)18 mm (0.7 inches)79%high
July Weather14°C (57°F)11 mm (0.4 inches)60%high
August Weather17°C (63°F)8 mm (0.3 inches)45%very high
September Weather21°C (69°F)16 mm (0.6 inches)53%extreme
October Weather23°C (74°F)87 mm (3.4 inches)55%extreme
November Weather25°C (77°F)108 mm (4.2 inches)75%extreme
December Weather26°C (79°F)142 mm (5.6 inches)85%extreme

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