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December Weather in San Ignacio, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Ignacio, Mexico is a delightful 24°C (75°F). Visitors can expect a minimum temperature of 16°C (61°F) and a warm maximum of 33°C (91°F). With an average humidity of 86%, the atmosphere can feel quite humid, complemented by a precipitation amount of 18 mm (0.7 in) spread over approximately 5 days. Whether you're exploring or relaxing, this month offers a memorable experience!

December Temperature in San Ignacio

In December in San Ignacio, the average temperature is 24°C (75°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 16°C (61°F). This pleasant climate makes San Ignacio an ideal destination for travelers looking to enjoy a comfortable outdoor experience.

December Weather in San Ignacio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Ignacio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ignacio, December typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec747678818382838382817775
Data source: Temperature data for San Ignacio 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 San Ignacio

In San Ignacio in December, the precipitation amount is 18 mm (0.7 in) spread over a duration of 5 days.

December Precipitation Trends in San Ignacio

The chart displays monthly precipitation patterns in San Ignacio, 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 San Ignacio, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2310719341465180921254018
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Ignacio

In San Ignacio in December, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

December Average Humidity in San Ignacio

This chart illustrates the average monthly humidity levels in San Ignacio, 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 San Ignacio is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%71%70%68%69%74%81%82%83%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Ignacio

In San Ignacio 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 San Ignacio.

Maximum UV Index Levels in San Ignacio for December

The chart shows the monthly maximum UV Index (UVI) for San Ignacio 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 San Ignacio typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131312121187
Data source: San Ignacio 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 San Ignacio Compares to Other Months

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

This table compares monthly weather conditions in San Ignacio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)23 mm (0.9 inches)81%very high
February Weather25°C (77°F)10 mm (0.4 inches)78%very high
March Weather26°C (78°F)6 mm (0.3 inches)71%extreme
April Weather27°C (81°F)19 mm (0.8 inches)70%extreme
May Weather28°C (83°F)34 mm (1.3 inches)68%extreme
June Weather28°C (83°F)146 mm (5.8 inches)69%extreme
July Weather28°C (83°F)51 mm (2.0 inches)74%extreme
August Weather28°C (83°F)80 mm (3.1 inches)81%extreme
September Weather28°C (83°F)92 mm (3.6 inches)82%extreme
October Weather27°C (81°F)125 mm (4.9 inches)83%extreme
November Weather25°C (78°F)40 mm (1.6 inches)84%very high
December Weather24°C (75°F)18 mm (0.7 inches)86%high

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