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December Weather in Sinahuiza, Mexico

Last updated: August 27, 2025

In December, the average temperature in Sinahuiza, Mexico is a pleasant 19°C (66°F), with minimums dipping to 5°C (42°F) and maximums peaking at 32°C (91°F). Expect some rain, with 19 mm (0.7 in) of precipitation spread over just 2 days. Additionally, the air tends to be quite humid, with an average humidity level of 80%, contributing to a warm, tropical feel.

December Temperature in Sinahuiza

In December in Sinahuiza, the average temperature is 19°C (66°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 5°C (42°F). This pleasant climate makes it an ideal time for travelers to explore the sights and enjoy outdoor activities.

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

The chart illustrates December temperature patterns in Sinahuiza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sinahuiza, December typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (91°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec646670758087898886837466
Data source: Temperature data for Sinahuiza 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 Sinahuiza

In Sinahuiza in December, the precipitation amount is 19 mm (0.7 in) over a span of 2 days.

December Precipitation Trends in Sinahuiza

The chart displays monthly precipitation patterns in Sinahuiza, 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 Sinahuiza, December typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec15960018589076172819
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sinahuiza

In Sinahuiza in December humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

December Average Humidity in Sinahuiza

This chart illustrates the average monthly humidity levels in Sinahuiza, 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 Sinahuiza is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%67%60%51%47%50%70%82%82%78%78%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sinahuiza

In Sinahuiza in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sinahuiza.

Maximum UV Index Levels in Sinahuiza for December

The chart shows the monthly maximum UV Index (UVI) for Sinahuiza 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 Sinahuiza typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121211975
Data source: Sinahuiza 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 Sinahuiza Compares to Other Months

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

This table compares monthly weather conditions in Sinahuiza, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)15 mm (0.6 inches)74%high
February Weather19°C (66°F)9 mm (0.4 inches)67%very high
March Weather21°C (70°F)6 mm (0.2 inches)60%very high
April Weather24°C (75°F)0 mm (0.0 inches)51%extreme
May Weather27°C (80°F)0 mm (0.0 inches)47%extreme
June Weather30°C (87°F)18 mm (0.7 inches)50%extreme
July Weather32°C (89°F)58 mm (2.3 inches)70%extreme
August Weather31°C (89°F)90 mm (3.5 inches)81%extreme
September Weather30°C (87°F)76 mm (3.0 inches)82%extreme
October Weather28°C (83°F)17 mm (0.7 inches)78%very high
November Weather24°C (75°F)28 mm (1.1 inches)78%high
December Weather19°C (66°F)19 mm (0.7 inches)80%moderate

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