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December Weather in San Ignacio, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Ignacio, Mexico reaches a comfortable 25°C (77°F). Visitors can expect a pleasant range, with minimums dipping to 18°C (65°F) and maximums rising to 28°C (82°F). During this time, the region receives about 19 mm (0.8 in) of precipitation over approximately 2 days, with an average humidity of 74%. A perfect blend for enjoying the outdoors!

December Temperature in San Ignacio

In December, in San Ignacio, the average temperature is 25°C (77°F). Maximums can reach 28°C (82°F), while minimums can drop as low as 18°C (65°F). This mild climate makes San Ignacio an ideal destination for travel during this time.

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 25°C (77°F), with highs reaching up to 28°C (82°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec747373747780838382828076
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 19 mm (0.8 in) over a span of 2 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 19 mm (0.8 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec262712686971972561762419
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 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%67%66%69%78%79%78%78%75%74%74%
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.
JanFebMarAprMayJunJulAugSepOctNovDec810121312131213121197
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)26 mm (1.0 inches)71%very high
February Weather23°C (73°F)27 mm (1.1 inches)69%very high
March Weather23°C (74°F)1 mm (0.1 inches)67%extreme
April Weather24°C (75°F)2 mm (0.1 inches)66%extreme
May Weather25°C (77°F)6 mm (0.2 inches)69%extreme
June Weather27°C (80°F)86 mm (3.4 inches)78%extreme
July Weather28°C (83°F)96 mm (3.8 inches)79%extreme
August Weather28°C (83°F)197 mm (7.7 inches)78%extreme
September Weather28°C (83°F)256 mm (10.1 inches)78%extreme
October Weather28°C (83°F)176 mm (6.9 inches)75%extreme
November Weather27°C (81°F)24 mm (0.9 inches)74%very high
December Weather25°C (77°F)19 mm (0.8 inches)74%high

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