January Weather in San Martin, Mexico

Last updated: August 27, 2025

In January, the average temperature in San Martin, Mexico hovers around 15°C (60°F), with a notable range that can dip to a minimum of 4°C (40°F) and peak at a maximum of 34°C (93°F). Expect 16 mm (0.6 in) of precipitation over 3 days, accompanied by an average humidity level of 74%, creating a unique climate experience.

January Temperature in San Martin

In January in San Martin, the average temperature is 15°C (60°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 4°C (40°F). This makes it an ideal time for travelers to experience a mix of warm days and cool evenings, perfect for outdoor activities and exploration.

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 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for San Martin generated using information from the Copernicus Climate Change Service.

January Precipitation in San Martin

In San Martin in January, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 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 16 mm (0.6 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in San Martin

In San Martin in January humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.

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 74%, offering insight into how humid the weather typically is during this month.

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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	16 mm (0.6 inches)	74%	very high
February Weather	18°C (64°F)	20 mm (0.8 inches)	65%	extreme
March Weather	20°C (69°F)	23 mm (0.9 inches)	58%	extreme
April Weather	23°C (74°F)	22 mm (0.8 inches)	58%	extreme
May Weather	25°C (77°F)	59 mm (2.3 inches)	67%	extreme
June Weather	25°C (76°F)	100 mm (4.0 inches)	76%	extreme
July Weather	24°C (76°F)	85 mm (3.3 inches)	67%	extreme
August Weather	24°C (76°F)	71 mm (2.8 inches)	68%	extreme
September Weather	23°C (74°F)	120 mm (4.7 inches)	81%	extreme
October Weather	21°C (70°F)	121 mm (4.8 inches)	83%	extreme
November Weather	18°C (65°F)	28 mm (1.1 inches)	84%	very high
December Weather	16°C (61°F)	12 mm (0.5 inches)	81%	high