December Weather in San Carlos, Argentina

Last updated: August 22, 2025

In San Carlos, Argentina, the average temperature in December hovers around 26°C (79°F). However, temperatures can vary significantly, with a minimum of 12°C (54°F) and a sweltering maximum of 38°C (101°F). During this month, expect a total precipitation of 93 mm (3.6 in), spread over approximately 10 days, and experience an average humidity level of 84%, making for a warm and occasionally humid climate.

December Temperature in San Carlos

In December in San Carlos, the average temperature is 26°C (79°F). Maximums can reach 38°C (101°F) and minimums can be as low as 12°C (54°F). This makes San Carlos an ideal destination for travelers seeking warm weather and a variety of outdoor activities.

December Weather in San Carlos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Carlos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Carlos, December typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec817976716462606368727579
Data source: Temperature data for San Carlos 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 San Carlos

In San Carlos in December, the precipitation amount is 93 mm (3.6 in) over the course of 10 days.

December Precipitation Trends in San Carlos

The chart displays monthly precipitation patterns in San Carlos, 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 San Carlos, December typically receives around 93 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1579613812519796907910114614093
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Carlos

In San Carlos in December, humidity is 84%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting, yet the vibrant atmosphere and lush surroundings offer a refreshing allure that invites exploration.

December Average Humidity in San Carlos

This chart illustrates the average monthly humidity levels in San Carlos, 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 San Carlos 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 San Carlos

In San Carlos 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 San Carlos, you can check here.

Maximum UV Index Levels in San Carlos for December

The chart shows the monthly maximum UV Index (UVI) for San Carlos 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 San Carlos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210656710131414
Data source: San Carlos 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 San Carlos Compares to Other Months

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

This table compares monthly weather conditions in San Carlos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)157 mm (6.2 inches)77%extreme
February Weather26°C (79°F)96 mm (3.8 inches)71%extreme
March Weather24°C (76°F)138 mm (5.4 inches)74%extreme
April Weather22°C (71°F)125 mm (4.9 inches)82%very high
May Weather18°C (65°F)197 mm (7.8 inches)82%high
June Weather16°C (62°F)96 mm (3.8 inches)73%moderate
July Weather16°C (60°F)90 mm (3.5 inches)67%high
August Weather17°C (64°F)79 mm (3.1 inches)49%high
September Weather20°C (69°F)101 mm (4.0 inches)54%very high
October Weather22°C (72°F)146 mm (5.7 inches)58%extreme
November Weather24°C (76°F)140 mm (5.5 inches)69%extreme
December Weather26°C (79°F)93 mm (3.6 inches)84%extreme

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