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December Weather in Guarani, Argentina

Last updated: August 22, 2025

In December, the average temperature in Guarani, Argentina hovers around 25°C (78°F). Expect a range from a cool 12°C (53°F) to a sweltering 38°C (100°F). Be prepared for some rain, as 85 mm (3.3 in) of precipitation is likely over 11 days, contributing to an average humidity level of 84%.

December Temperature in Guarani

In December in Guarani, the average temperature is 25°C (78°F), with maximums reaching up to 38°C (100°F) and minimums dropping to as low as 12°C (53°F). This pleasant climate makes Guarani a perfect destination for travelers seeking a mix of warmth and cool evenings.

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

The chart illustrates December temperature patterns in Guarani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guarani, 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 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec787775706461606368717477
Data source: Temperature data for Guarani 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 Guarani

In Guarani in December, the total precipitation amount is 85 mm (3.3 in) over a span of 11 days.

December Precipitation Trends in Guarani

The chart displays monthly precipitation patterns in Guarani, 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 Guarani, December typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1681061321142181081028312018613985
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guarani

In Guarani 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 Guarani

This chart illustrates the average monthly humidity levels in Guarani, 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 Guarani 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 Guarani

In Guarani 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 Guarani, you can check here.

Maximum UV Index Levels in Guarani for December

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

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

This table compares monthly weather conditions in Guarani, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)168 mm (6.6 inches)77%extreme
February Weather25°C (77°F)106 mm (4.2 inches)71%extreme
March Weather24°C (75°F)132 mm (5.2 inches)74%extreme
April Weather21°C (70°F)114 mm (4.5 inches)82%very high
May Weather18°C (64°F)218 mm (8.6 inches)82%high
June Weather16°C (61°F)108 mm (4.2 inches)73%moderate
July Weather15°C (60°F)101 mm (4.0 inches)67%high
August Weather17°C (63°F)83 mm (3.3 inches)49%high
September Weather20°C (69°F)120 mm (4.7 inches)54%very high
October Weather22°C (71°F)186 mm (7.3 inches)58%extreme
November Weather23°C (74°F)139 mm (5.5 inches)69%extreme
December Weather25°C (78°F)85 mm (3.3 inches)84%extreme

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