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January Weather in San Ignacio, Mexico

Last updated: August 27, 2025

In January, the average temperature in San Ignacio, Mexico is a pleasant 19°C (66°F). Expect a range where temperatures can drop to a cool 3°C (38°F) at night, while daytime highs can reach up to 33°C (92°F). With an average humidity of 74%, you may want to stay hydrated. Don't forget, there's a chance of 10 mm (0.4 in) of precipitation over 1 day, so it’s wise to keep an eye on the forecast!

January Temperature in San Ignacio

In January in San Ignacio, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (92°F), while minimums can dip as low as 3°C (38°F). This variety in weather makes San Ignacio an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates January 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, January typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec666872757981818079787367
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.

January Precipitation in San Ignacio

In San Ignacio in January, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

January Precipitation Trends in San Ignacio

The chart displays monthly precipitation patterns in San Ignacio, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Ignacio, January typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec102910141151241176772017
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Ignacio

In San Ignacio in January humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

January Average Humidity in San Ignacio

This chart illustrates the average monthly humidity levels in San Ignacio, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Ignacio is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%66%61%56%61%73%82%83%83%79%77%78%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Ignacio

In San Ignacio in January, 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 January

The chart shows the monthly maximum UV Index (UVI) for San Ignacio in January, 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 January, the maximum UV index in San Ignacio typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111313121212121186
Data source: San Ignacio January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)10 mm (0.4 inches)74%high
February Weather20°C (68°F)29 mm (1.1 inches)66%very high
March Weather22°C (72°F)1 mm (0.0 inches)61%extreme
April Weather24°C (75°F)0 mm (0.0 inches)56%extreme
May Weather26°C (79°F)1 mm (0.0 inches)61%extreme
June Weather27°C (82°F)41 mm (1.6 inches)73%extreme
July Weather27°C (81°F)151 mm (6.0 inches)82%extreme
August Weather27°C (80°F)241 mm (9.5 inches)83%extreme
September Weather26°C (79°F)176 mm (6.9 inches)83%extreme
October Weather25°C (78°F)77 mm (3.0 inches)78%extreme
November Weather23°C (73°F)20 mm (0.8 inches)77%very high
December Weather20°C (68°F)17 mm (0.7 inches)78%high

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