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January Weather in San Martin, Mexico

Last updated: August 27, 2025

In January, the average temperature in San Martin, Mexico hovers around 19°C (66°F). Expect a range from a cool 6°C (43°F) to a warm 33°C (92°F). Be prepared for some rain, as the area experiences 57 mm (2.3 in) of precipitation over approximately 8 days. Alongside, humidity levels are quite high, averaging around 88%, contributing to a muggy atmosphere.

January Temperature in San Martin

In January in San Martin, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 6°C (43°F). This makes San Martin an ideal destination for travelers seeking a pleasant climate with a mix of warm days and cooler nights.

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

The chart illustrates January temperature patterns in San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin, 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 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec666973788281818180777167
Data source: Temperature data for San Martin 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 Martin

In San Martin in January, the precipitation amount is 57 mm (2.3 in) over a span of 8 days.

January Precipitation Trends in San Martin

The chart displays monthly precipitation patterns in San Martin, 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 Martin, January typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec574455711561851191611842649533
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Martin

In San Martin in January humidity is 88%. With an average temperature of 19°C (66°F), this humidity feels like you're stepping into a warm, enveloping blanket, making outdoor exploration a bit challenging as the air feels heavy and sticky, often sapping your energy and making you crave shade and cool refreshments.

January Average Humidity in San Martin

This chart illustrates the average monthly humidity levels in San Martin, 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 Martin is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Martin

In San Martin 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 Martin.

Maximum UV Index Levels in San Martin for January

The chart shows the monthly maximum UV Index (UVI) for San Martin 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 Martin typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213131312121197
Data source: San Martin 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 Martin Compares to Other Months

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

This table compares monthly weather conditions in San Martin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)57 mm (2.3 inches)88%high
February Weather20°C (69°F)44 mm (1.7 inches)86%very high
March Weather23°C (73°F)55 mm (2.2 inches)83%extreme
April Weather26°C (78°F)71 mm (2.8 inches)80%extreme
May Weather28°C (82°F)156 mm (6.2 inches)82%extreme
June Weather27°C (82°F)185 mm (7.3 inches)79%extreme
July Weather27°C (81°F)119 mm (4.7 inches)72%extreme
August Weather27°C (82°F)161 mm (6.3 inches)74%extreme
September Weather27°C (80°F)184 mm (7.2 inches)84%extreme
October Weather25°C (77°F)264 mm (10.4 inches)92%extreme
November Weather22°C (71°F)95 mm (3.7 inches)91%very high
December Weather19°C (67°F)33 mm (1.3 inches)91%high

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