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December Weather in Rio Gallegos, Argentina

Last updated: August 22, 2025

In December, the average temperature in Rio Gallegos, Argentina hovers around 14°C (57°F), with potential extremes ranging from a brisk 2°C (36°F) to a warm 31°C (87°F). Expect about 39 mm (1.5 in) of precipitation over approximately 8 days, contributing to an average humidity level of 70%. Be prepared for a mix of mild and warm days as you enjoy the climate!

December Temperature in Rio Gallegos

In December in Rio Gallegos, the average temperature is 14°C (57°F). The maximum can reach 31°C (87°F), while the minimum can drop as low as 2°C (36°F). This varied climate makes Rio Gallegos a versatile destination for travelers, offering both warm days and cooler evenings.

December Weather in Rio Gallegos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rio Gallegos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Gallegos, December typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec575853484135363944485357
Data source: Temperature data for Rio Gallegos 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 Rio Gallegos

In Rio Gallegos in December, the precipitation amount is 39 mm (1.5 in) over the course of 8 days.

December Precipitation Trends in Rio Gallegos

The chart displays monthly precipitation patterns in Rio Gallegos, 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 Rio Gallegos, December typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec503243363924192121303039
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Gallegos

In Rio Gallegos in December, humidity is 70%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making travel slightly uncomfortable as the air feels heavier and every step seems more laborious.

December Average Humidity in Rio Gallegos

This chart illustrates the average monthly humidity levels in Rio Gallegos, 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 Rio Gallegos is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%72%77%80%81%81%79%75%72%69%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio Gallegos

In Rio Gallegos in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Rio Gallegos.

Maximum UV Index Levels in Rio Gallegos for December

The chart shows the monthly maximum UV Index (UVI) for Rio Gallegos 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 Rio Gallegos typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec119742113481211
Data source: Rio Gallegos 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 Rio Gallegos Compares to Other Months

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

This table compares monthly weather conditions in Rio Gallegos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)50 mm (2.0 inches)70%extreme
February Weather14°C (58°F)32 mm (1.3 inches)73%very high
March Weather12°C (54°F)43 mm (1.7 inches)72%high
April Weather9°C (48°F)36 mm (1.4 inches)77%moderate
May Weather5°C (42°F)39 mm (1.5 inches)80%low
June Weather2°C (36°F)24 mm (0.9 inches)81%low
July Weather2°C (36°F)19 mm (0.7 inches)81%low
August Weather4°C (40°F)21 mm (0.8 inches)79%moderate
September Weather6°C (44°F)21 mm (0.8 inches)75%moderate
October Weather9°C (49°F)30 mm (1.2 inches)72%very high
November Weather12°C (54°F)30 mm (1.2 inches)69%extreme
December Weather14°C (57°F)39 mm (1.5 inches)70%extreme

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