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December Weather in Calaco, Mexico

Last updated: August 27, 2025

In Calaco, Mexico, the average temperature in December is a comfortable 19°C (67°F), with a minimum dipping to 5°C (42°F) and reaching a pleasant maximum of 32°C (91°F). Expect some light rain, as the precipitation amount averages 35 mm (1.4 in) over about 7 days. With an average humidity of 91%, it's a perfect time to enjoy the unique climate of this beautiful location!

December Temperature in Calaco

In December, in Calaco, the average temperature is 19°C (67°F). Maximums can reach 32°C (91°F), and minimums can drop as low as 5°C (42°F). This variability in temperature makes Calaco a great destination for travelers looking to experience a diverse climate.

December Weather in Calaco: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Calaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calaco, December typically has an average temperature of 19°C (67°F), with highs reaching up to 32°C (91°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec656973788282828281777167
Data source: Temperature data for Calaco 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 Calaco

In Calaco in December, the precipitation amount is 35 mm (1.4 in) over the course of 7 days.

December Precipitation Trends in Calaco

The chart displays monthly precipitation patterns in Calaco, 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 Calaco, December typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec604257771431751121191702618435
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Calaco

In Calaco in December, humidity is 91%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket enveloping you, creating a heavy atmosphere that can be quite stifling for traveling.

December Average Humidity in Calaco

This chart illustrates the average monthly humidity levels in Calaco, 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 Calaco is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Calaco

In Calaco 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 Calaco.

Maximum UV Index Levels in Calaco for December

The chart shows the monthly maximum UV Index (UVI) for Calaco 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 Calaco typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121212131312121187
Data source: Calaco 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 Calaco Compares to Other Months

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

This table compares monthly weather conditions in Calaco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)60 mm (2.4 inches)88%high
February Weather20°C (69°F)42 mm (1.7 inches)86%very high
March Weather23°C (73°F)57 mm (2.2 inches)83%extreme
April Weather26°C (79°F)77 mm (3.0 inches)80%extreme
May Weather28°C (83°F)143 mm (5.6 inches)82%extreme
June Weather28°C (82°F)175 mm (6.9 inches)79%extreme
July Weather28°C (82°F)112 mm (4.4 inches)72%extreme
August Weather28°C (83°F)119 mm (4.7 inches)74%extreme
September Weather27°C (81°F)170 mm (6.7 inches)84%extreme
October Weather25°C (77°F)261 mm (10.3 inches)92%extreme
November Weather22°C (71°F)84 mm (3.3 inches)91%very high
December Weather19°C (67°F)35 mm (1.4 inches)91%high

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