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December Weather in Santa Clara, Mexico

Last updated: August 27, 2025

In December, the weather in Santa Clara, Mexico offers a delightful average temperature of 14°C (57°F). However, be prepared for a range of temperatures, with minimums plummeting to -6°C (21°F) and maximums soaring up to 30°C (86°F). Expect a bit of moisture too, with an average precipitation amount of 10 mm (0.4 in) over just 2 days. Don’t forget, the air tends to be quite humid, with an average humidity level of 84%.

December Temperature in Santa Clara

In December in Santa Clara, the average temperature is 14°C (57°F). Maximums can reach up to 30°C (86°F), while minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures to make the most of your travel experience.

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 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec566267727777747470686257
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 precipitation amount is 10 mm (0.4 in) over a period of 2 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 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec121410101440875211143910
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 84%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel stifling and requiring frequent breaks to cool off.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131414141414131297
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 Weather14°C (57°F)12 mm (0.5 inches)70%very high
February Weather16°C (62°F)14 mm (0.5 inches)62%very high
March Weather20°C (68°F)10 mm (0.4 inches)53%extreme
April Weather22°C (72°F)10 mm (0.4 inches)48%extreme
May Weather25°C (77°F)14 mm (0.5 inches)52%extreme
June Weather25°C (77°F)40 mm (1.6 inches)64%extreme
July Weather23°C (74°F)87 mm (3.4 inches)73%extreme
August Weather23°C (74°F)52 mm (2.0 inches)71%extreme
September Weather21°C (70°F)111 mm (4.4 inches)82%extreme
October Weather20°C (68°F)43 mm (1.7 inches)83%extreme
November Weather17°C (63°F)9 mm (0.4 inches)82%very high
December Weather14°C (57°F)10 mm (0.4 inches)84%high

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