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December Weather in Los Helechos, Argentina

Last updated: August 22, 2025

In Los Helechos, Argentina, the average temperature in December hovers around 25°C (78°F). Expect a minimum temperature of 12°C (53°F) and a maximum soaring to 38°C (101°F). During this period, 91 mm (3.6 in) of precipitation falls over 11 days, with an average humidity level of 84%. Stay prepared for a mix of warmth and moisture!

December Temperature in Los Helechos

In December in Los Helechos, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F), while minimums can drop to as low as 12°C (53°F). With such a warm climate, it's a great time to explore the outdoors and enjoy leisure activities.

December Weather in Los Helechos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Los Helechos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Los Helechos, December typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec787775706461606368717477
Data source: Temperature data for Los Helechos 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 Los Helechos

In Los Helechos in December, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

December Precipitation Trends in Los Helechos

The chart displays monthly precipitation patterns in Los Helechos, 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 Los Helechos, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1651111251112121161008112419313491
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Los Helechos

In Los Helechos in December, humidity is 84%. With an average temperature of 25°C (78°F), this humidity feels like a warm, muggy embrace that can be quite stifling for traveling, making you crave cool breezes and plenty of hydration as you explore.

December Average Humidity in Los Helechos

This chart illustrates the average monthly humidity levels in Los Helechos, 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 Los Helechos is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%71%74%82%82%73%67%49%54%58%69%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Los Helechos

In Los Helechos 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 Los Helechos, you can check here.

Maximum UV Index Levels in Los Helechos for December

The chart shows the monthly maximum UV Index (UVI) for Los Helechos 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 Los Helechos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310656710131414
Data source: Los Helechos 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 Los Helechos Compares to Other Months

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

This table compares monthly weather conditions in Los Helechos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)165 mm (6.5 inches)77%extreme
February Weather25°C (77°F)111 mm (4.4 inches)71%extreme
March Weather24°C (75°F)125 mm (4.9 inches)74%extreme
April Weather21°C (70°F)111 mm (4.4 inches)82%very high
May Weather18°C (64°F)212 mm (8.4 inches)82%high
June Weather16°C (61°F)116 mm (4.6 inches)73%moderate
July Weather15°C (60°F)100 mm (3.9 inches)67%high
August Weather17°C (63°F)81 mm (3.2 inches)49%high
September Weather20°C (68°F)124 mm (4.9 inches)54%very high
October Weather22°C (71°F)192 mm (7.6 inches)58%extreme
November Weather23°C (74°F)134 mm (5.3 inches)69%extreme
December Weather25°C (78°F)91 mm (3.6 inches)84%extreme

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