December Weather in Santa Clara, Argentina

Last updated: August 22, 2025

In Santa Clara, Argentina, the average temperature in December hovers around 25°C (77°F). Expect a minimum of 13°C (56°F) and a peak of 39°C (102°F), showcasing the region's warm climate. Be prepared for 189 mm (7.4 in) of precipitation over approximately 17 days, contributing to an average humidity of 85% that adds to the tropical feel.

December Temperature in Santa Clara

In December in Santa Clara, the average temperature is 25°C (77°F). The maximum can reach 39°C (102°F), while the minimum can be as low as 13°C (56°F). Be prepared for warm days and cooler nights when planning your travels during this time.

December Weather in Santa Clara: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Clara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Clara, December typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (102°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec777472686155556169747676
Data source: Temperature data for Santa Clara 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 Santa Clara

In Santa Clara in December, the total precipitation amount is 189 mm (7.4 in) over a span of 17 days.

December Precipitation Trends in Santa Clara

The chart displays monthly precipitation patterns in Santa Clara, 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 Santa Clara, December typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec180153132110321310675686189
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Clara

In Santa Clara in December, humidity is 85%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making every outdoor excursion feel both stifling and sticky, requiring frequent breaks in the shade to stay comfortable while exploring.

December Average Humidity in Santa Clara

This chart illustrates the average monthly humidity levels in Santa Clara, 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 Santa Clara is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%75%76%85%88%79%60%45%53%55%75%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Clara

In Santa Clara in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santa Clara.

Maximum UV Index Levels in Santa Clara for December

The chart shows the monthly maximum UV Index (UVI) for Santa Clara 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 Santa Clara typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141311867811141515
Data source: Santa Clara 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 Santa Clara Compares to Other Months

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

This table compares monthly weather conditions in Santa Clara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)180 mm (7.1 inches)81%extreme
February Weather24°C (75°F)153 mm (6.0 inches)75%extreme
March Weather22°C (72°F)132 mm (5.2 inches)76%extreme
April Weather20°C (68°F)110 mm (4.3 inches)85%extreme
May Weather16°C (61°F)32 mm (1.3 inches)88%very high
June Weather13°C (56°F)13 mm (0.5 inches)79%high
July Weather13°C (56°F)10 mm (0.4 inches)60%high
August Weather16°C (61°F)6 mm (0.2 inches)45%very high
September Weather20°C (69°F)7 mm (0.3 inches)53%extreme
October Weather23°C (74°F)56 mm (2.2 inches)55%extreme
November Weather24°C (76°F)86 mm (3.4 inches)75%extreme
December Weather25°C (77°F)189 mm (7.4 inches)85%extreme

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