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December Weather in San Ignacio, Mexico

Last updated: August 27, 2025

In San Ignacio, Mexico, the average temperature in December is a pleasant 17°C (62°F). Visitors can expect a minimum chill of around 3°C (37°F), while the day can warm up to a maximum of 31°C (88°F). With an average humidity of 72%, the atmosphere remains comfortably balmy. Just be prepared for a few showers, as the area receives 12 mm (0.5 in) of precipitation over about 2 days during the month.

December Temperature in San Ignacio

In December in San Ignacio, the average temperature is 17°C (62°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 3°C (37°F). Be prepared for a range of temperatures to ensure a comfortable travel 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 17°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec616266707178858683777062
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 12 mm (0.5 in) over the course 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 12 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1210140002828131612
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 72%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially heavy on the skin, prompting travelers to seek shade during midday excursions.

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 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%69%61%58%61%61%63%70%75%72%72%72%
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 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 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121212975
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 Weather16°C (62°F)12 mm (0.5 inches)71%high
February Weather17°C (63°F)10 mm (0.4 inches)69%very high
March Weather19°C (66°F)14 mm (0.6 inches)61%very high
April Weather21°C (71°F)0 mm (0.0 inches)58%extreme
May Weather22°C (71°F)0 mm (0.0 inches)61%extreme
June Weather25°C (78°F)0 mm (0.0 inches)61%extreme
July Weather29°C (85°F)2 mm (0.1 inches)63%extreme
August Weather30°C (86°F)8 mm (0.3 inches)70%extreme
September Weather28°C (83°F)28 mm (1.1 inches)75%extreme
October Weather25°C (77°F)13 mm (0.5 inches)71%very high
November Weather21°C (70°F)16 mm (0.6 inches)72%high
December Weather17°C (62°F)12 mm (0.5 inches)72%moderate

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