December Weather in Santa Cruz, Spain

Last updated: August 27, 2025

In December, the average temperature in Santa Cruz, Spain hovers around 12°C (54°F), with a minimum dip of -1°C (31°F) and peaks reaching 26°C (78°F). Expect a moderate amount of precipitation, with around 14 mm (0.6 in) falling over the course of 2 days. The air maintains a comfortable humidity level of 74%, making it a pleasant time to visit!

December Temperature in Santa Cruz

In December in Santa Cruz, the average temperature is 12°C (54°F). The maximum can reach 26°C (78°F), while the minimum can be as low as -1°C (31°F). This means travelers should be prepared for a wide range of temperatures, making layering essential for comfort.

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 12°C (54°F), with highs reaching up to 26°C (78°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec515558617076818276675954
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 14 mm (0.6 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 14 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec34124550251931962223614
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 12°C (54°F), this humidity feels like a chilly embrace that can dampen your travel experience, making it essential to dress in layers and prepare for an unexpected drizzle while exploring the sights.

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.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%66%64%65%71%69%70%74%72%74%
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 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Santa Cruz, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109743
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 Weather10°C (51°F)34 mm (1.3 inches)72%moderate
February Weather13°C (55°F)12 mm (0.5 inches)71%moderate
March Weather14°C (58°F)44 mm (1.8 inches)69%high
April Weather16°C (62°F)50 mm (2.0 inches)66%very high
May Weather21°C (70°F)25 mm (1.0 inches)64%very high
June Weather25°C (76°F)19 mm (0.7 inches)65%extreme
July Weather27°C (82°F)3 mm (0.1 inches)71%extreme
August Weather28°C (82°F)19 mm (0.7 inches)69%very high
September Weather25°C (77°F)62 mm (2.4 inches)70%very high
October Weather20°C (68°F)22 mm (0.9 inches)74%high
November Weather15°C (59°F)36 mm (1.4 inches)72%moderate
December Weather12°C (54°F)14 mm (0.6 inches)74%moderate

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