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December Weather in Sierra Grande, Argentina

Last updated: August 22, 2025

In December, the average temperature in Sierra Grande, Argentina is a comfortable 22°C (71°F). Expect minimums as low as 6°C (44°F) and maximums soaring up to 38°C (100°F). With an average humidity of 44%, it’s a great time to enjoy the outdoors, even though you might encounter 15 mm (0.6 in) of precipitation over 2 days.

December Temperature in Sierra Grande

In December in Sierra Grande, the average temperature is 22°C (71°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 6°C (44°F). This variation makes it essential for travelers to pack accordingly, ensuring comfort in both warm and cool conditions.

December Weather in Sierra Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sierra Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sierra Grande, December typically has an average temperature of 22°C (71°F), with highs reaching up to 38°C (100°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec737266605246454954596671
Data source: Temperature data for Sierra Grande 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 Sierra Grande

In Sierra Grande in December, the precipitation amount is 15 mm (0.6 in) over the course of 2 days.

December Precipitation Trends in Sierra Grande

The chart displays monthly precipitation patterns in Sierra Grande, 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 Sierra Grande, December typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec111740262231221816142615
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sierra Grande

In Sierra Grande in December, humidity is 44%. With an average temperature of 22°C (71°F), this humidity feels like a refreshing embrace, making it pleasant for traveling and exploring the sights without discomfort.

December Average Humidity in Sierra Grande

This chart illustrates the average monthly humidity levels in Sierra Grande, 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 Sierra Grande is approximately 44%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%52%63%69%73%74%76%74%65%57%52%44%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sierra Grande

In Sierra Grande in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sierra Grande.

Maximum UV Index Levels in Sierra Grande for December

The chart shows the monthly maximum UV Index (UVI) for Sierra Grande 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 Sierra Grande typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312964234691213
Data source: Sierra Grande 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 Sierra Grande Compares to Other Months

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

This table compares monthly weather conditions in Sierra Grande, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)11 mm (0.4 inches)50%extreme
February Weather22°C (72°F)17 mm (0.7 inches)51%extreme
March Weather19°C (67°F)40 mm (1.6 inches)63%very high
April Weather16°C (61°F)26 mm (1.0 inches)69%high
May Weather11°C (52°F)22 mm (0.9 inches)73%moderate
June Weather8°C (46°F)31 mm (1.2 inches)74%low
July Weather7°C (45°F)22 mm (0.9 inches)76%moderate
August Weather9°C (49°F)18 mm (0.7 inches)74%moderate
September Weather12°C (54°F)16 mm (0.6 inches)65%high
October Weather15°C (60°F)14 mm (0.5 inches)57%very high
November Weather19°C (66°F)26 mm (1.0 inches)52%extreme
December Weather22°C (71°F)15 mm (0.6 inches)44%extreme

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