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December Weather in Santa Casilda, Mexico

Last updated: August 27, 2025

In December, the average temperature in Santa Casilda, Mexico is a pleasant 18°C (64°F), with minimums dipping to 4°C (40°F) and maximums reaching a comfortable 28°C (83°F). You can expect minimal rainfall with only 3 mm (0.1 in) over 0 days. Humidity tends to be on the higher side, averaging around 74%, creating a warm and inviting atmosphere.

December Temperature in Santa Casilda

In December in Santa Casilda, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 28°C (83°F), while minimums can drop as low as 4°C (40°F). This makes it a great time for travelers to enjoy a range of outdoor activities, from warm sunny days to cooler evenings.

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

The chart illustrates December temperature patterns in Santa Casilda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Casilda, December typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec646670727472717170706764
Data source: Temperature data for Santa Casilda 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 Casilda

In Santa Casilda in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

December Precipitation Trends in Santa Casilda

The chart displays monthly precipitation patterns in Santa Casilda, 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 Casilda, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec3112151235195303259154423
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Casilda

In Santa Casilda in December humidity is 74%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for extended outdoor activities.

December Average Humidity in Santa Casilda

This chart illustrates the average monthly humidity levels in Santa Casilda, 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 Casilda 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 Casilda

In Santa Casilda 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 Casilda.

Maximum UV Index Levels in Santa Casilda for December

The chart shows the monthly maximum UV Index (UVI) for Santa Casilda 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 Casilda typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413141413141198
Data source: Santa Casilda 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 Casilda Compares to Other Months

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

This table compares monthly weather conditions in Santa Casilda, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)3 mm (0.1 inches)70%very high
February Weather19°C (67°F)10 mm (0.4 inches)64%extreme
March Weather21°C (70°F)2 mm (0.1 inches)54%extreme
April Weather22°C (73°F)1 mm (0.0 inches)61%extreme
May Weather23°C (74°F)51 mm (2.0 inches)75%extreme
June Weather22°C (72°F)235 mm (9.3 inches)83%extreme
July Weather22°C (72°F)195 mm (7.7 inches)83%extreme
August Weather22°C (71°F)303 mm (11.9 inches)85%extreme
September Weather21°C (71°F)259 mm (10.2 inches)85%extreme
October Weather21°C (70°F)154 mm (6.0 inches)79%extreme
November Weather19°C (67°F)42 mm (1.7 inches)76%very high
December Weather18°C (64°F)3 mm (0.1 inches)74%very high

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