December Weather in Santa Cruz, Mexico

Last updated: August 27, 2025

In Santa Cruz, Mexico, the average temperature in December is a comfortable 15°C (59°F). Expect minimum temperatures to dip to 3°C (38°F), while the maximum can reach a warm 27°C (80°F). With an average precipitation of 10 mm (0.4 in) spread over about 2 days, it's advisable to keep an umbrella handy. The average humidity hovers around 74%, adding a touch of mugginess to the air.

December Temperature in Santa Cruz

In December in Santa Cruz, the average temperature is 15°C (59°F). Maximums can reach 27°C (80°F), and minimums can drop as low as 3°C (38°F). It's a great time to explore Santa Cruz with its mild weather and pleasant conditions for outdoor activities.

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

The chart illustrates December temperature patterns in Santa Cruz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Cruz, December typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (80°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec596267707168666666656259
Data source: Temperature data for Santa Cruz 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 Cruz

In Santa Cruz in December, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

December Precipitation Trends in Santa Cruz

The chart displays monthly precipitation patterns in Santa Cruz, 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 Cruz, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec811151060131146166148753810
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Cruz

In Santa Cruz in December, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

December Average Humidity in Santa Cruz

This chart illustrates the average monthly humidity levels in Santa Cruz, 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 Cruz is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%54%61%75%83%83%85%85%79%76%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Cruz

In Santa Cruz in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Santa Cruz.

Maximum UV Index Levels in Santa Cruz for December

The chart shows the monthly maximum UV Index (UVI) for Santa Cruz 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 Cruz typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111415141414141412108
Data source: Santa Cruz 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 Cruz Compares to Other Months

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

This table compares monthly weather conditions in Santa Cruz, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)8 mm (0.3 inches)70%very high
February Weather17°C (62°F)11 mm (0.4 inches)64%extreme
March Weather19°C (67°F)15 mm (0.6 inches)54%extreme
April Weather21°C (70°F)10 mm (0.4 inches)61%extreme
May Weather21°C (71°F)60 mm (2.4 inches)75%extreme
June Weather20°C (69°F)131 mm (5.2 inches)83%extreme
July Weather19°C (66°F)146 mm (5.7 inches)83%extreme
August Weather19°C (66°F)166 mm (6.5 inches)85%extreme
September Weather19°C (66°F)148 mm (5.8 inches)85%extreme
October Weather18°C (65°F)75 mm (3.0 inches)79%extreme
November Weather17°C (62°F)38 mm (1.5 inches)76%very high
December Weather15°C (59°F)10 mm (0.4 inches)74%very high

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