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December Weather in Dos Arroyos, Argentina

Last updated: August 22, 2025

In Dos Arroyos, Argentina, the average temperature in December hovers around 25°C (78°F). Expect a range where the minimum dips to 11°C (53°F) and the maximum can soar to 38°C (100°F). Be prepared for 84 mm (3.3 in) of precipitation over about 10 days and an average humidity of 84%, making it a rather humid month.

December Temperature in Dos Arroyos

In December in Dos Arroyos, the average temperature is 25°C (78°F), with maximums reaching 38°C (100°F) and minimums dropping as low as 11°C (53°F). This varied climate makes it an ideal time for travelers to enjoy both warm and cooler activities, so pack accordingly!

December Weather in Dos Arroyos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Dos Arroyos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dos Arroyos, December typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec797775706461606368717478
Data source: Temperature data for Dos Arroyos 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 Dos Arroyos

In Dos Arroyos in December, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

December Precipitation Trends in Dos Arroyos

The chart displays monthly precipitation patterns in Dos Arroyos, 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 Dos Arroyos, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1771121431222031051018811717515384
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dos Arroyos

In Dos Arroyos 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 Dos Arroyos

This chart illustrates the average monthly humidity levels in Dos Arroyos, 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 Dos Arroyos 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 Dos Arroyos

In Dos Arroyos 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 Dos Arroyos, you can check here.

Maximum UV Index Levels in Dos Arroyos for December

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

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

This table compares monthly weather conditions in Dos Arroyos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)177 mm (7.0 inches)77%extreme
February Weather25°C (77°F)112 mm (4.4 inches)71%extreme
March Weather24°C (75°F)143 mm (5.6 inches)74%extreme
April Weather21°C (70°F)122 mm (4.8 inches)82%very high
May Weather18°C (64°F)203 mm (8.0 inches)82%high
June Weather16°C (61°F)105 mm (4.2 inches)73%moderate
July Weather15°C (60°F)101 mm (4.0 inches)67%high
August Weather17°C (63°F)88 mm (3.5 inches)49%high
September Weather20°C (68°F)117 mm (4.6 inches)54%very high
October Weather22°C (71°F)175 mm (6.9 inches)58%extreme
November Weather23°C (75°F)153 mm (6.0 inches)69%extreme
December Weather25°C (78°F)84 mm (3.3 inches)84%extreme

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