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December Weather in Calchaqui, Argentina

Last updated: August 22, 2025

In December, the average temperature in Calchaqui, Argentina hovers around 25°C (77°F), offering a pleasant climate for outdoor activities. However, temperatures can vary significantly, with a minimum of 11°C (52°F) and peaks reaching up to 40°C (104°F). During this month, expect about 95 mm (3.7 in) of precipitation spread over 7 days, contributing to an average humidity of 57%. Plan accordingly to enjoy the best of what this vibrant destination has to offer!

December Temperature in Calchaqui

In December in Calchaqui, the average temperature is 25°C (77°F), with maximums reaching up to 40°C (104°F) and minimums dropping as low as 11°C (52°F). This range makes it essential for travelers to pack accordingly, preparing for both warm days and cooler evenings.

December Weather in Calchaqui: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Calchaqui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calchaqui, December typically has an average temperature of 25°C (77°F), with highs reaching up to 40°C (104°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec797773696156555863687377
Data source: Temperature data for Calchaqui 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 Calchaqui

In Calchaqui in December, the precipitation amount is 95 mm (3.7 in) over the course of 7 days.

December Precipitation Trends in Calchaqui

The chart displays monthly precipitation patterns in Calchaqui, 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 Calchaqui, December typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec132124108771277052619011810295
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Calchaqui

In Calchaqui in December, humidity is 57%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls and outdoor adventures, though it's advisable to stay hydrated and take breaks in the shade.

December Average Humidity in Calchaqui

This chart illustrates the average monthly humidity levels in Calchaqui, 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 Calchaqui is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%57%65%76%83%78%58%54%59%50%53%57%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Calchaqui

In Calchaqui 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 Calchaqui, you can check here.

Maximum UV Index Levels in Calchaqui for December

The chart shows the monthly maximum UV Index (UVI) for Calchaqui 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 Calchaqui typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312965579121414
Data source: Calchaqui 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 Calchaqui Compares to Other Months

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

This table compares monthly weather conditions in Calchaqui, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)132 mm (5.2 inches)51%extreme
February Weather25°C (77°F)124 mm (4.9 inches)57%extreme
March Weather23°C (73°F)107 mm (4.2 inches)65%extreme
April Weather20°C (69°F)77 mm (3.0 inches)76%very high
May Weather16°C (61°F)127 mm (5.0 inches)83%high
June Weather13°C (56°F)70 mm (2.8 inches)78%moderate
July Weather13°C (55°F)52 mm (2.0 inches)58%moderate
August Weather15°C (58°F)61 mm (2.4 inches)54%high
September Weather17°C (63°F)90 mm (3.5 inches)59%very high
October Weather20°C (68°F)118 mm (4.6 inches)50%extreme
November Weather23°C (73°F)102 mm (4.0 inches)53%extreme
December Weather25°C (77°F)95 mm (3.7 inches)57%extreme

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