January Weather in San Jacinto, Mexico

Last updated: August 27, 2025

In January, the average temperature in San Jacinto, Mexico hovers around 17°C (63°F). Expect a minimum of 7°C (45°F) and a pleasant maximum of 29°C (84°F). With an average humidity of 64%, the weather is comfortably mild, and you'll likely encounter 6 mm (0.3 in) of precipitation over just 1 day, ensuring a refreshing touch to your experience.

January Temperature in San Jacinto

In January in San Jacinto, the average temperature is 17°C (63°F). The maximum can reach 29°C (84°F), while the minimum can be as low as 7°C (45°F). This makes it a great time for travelers to enjoy mild weather and engage in outdoor activities.

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

The chart illustrates January temperature patterns in San Jacinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jacinto, January typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (45°F).

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

January Precipitation in San Jacinto

In San Jacinto in January, the precipitation amount is 6 mm (0.3 in) over the course of 1 day.

January Precipitation Trends in San Jacinto

The chart displays monthly precipitation patterns in San Jacinto, 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 Jacinto, January typically receives around 6 mm (0.3 inches) of precipitation spread over approximately 1 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 Jacinto

In San Jacinto in January humidity is 64%. With an average temperature of 17°C (63°F), this humidity feels like a mild dampness that can make outdoor activities feel slightly muggy, but it's still comfortable for exploring the area.

January Average Humidity in San Jacinto

This chart illustrates the average monthly humidity levels in San Jacinto, 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 Jacinto is approximately 64%, 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 Jacinto

In San Jacinto in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Jacinto.

Maximum UV Index Levels in San Jacinto for January

The chart shows the monthly maximum UV Index (UVI) for San Jacinto 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 Jacinto typically reaches 9, which falls under the very high exposure category.

Data source: San Jacinto 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 Jacinto Compares to Other Months

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

This table compares monthly weather conditions in San Jacinto, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	6 mm (0.3 inches)	64%	very high
February Weather	19°C (66°F)	10 mm (0.4 inches)	57%	extreme
March Weather	22°C (71°F)	3 mm (0.1 inches)	46%	extreme
April Weather	23°C (74°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (76°F)	24 mm (0.9 inches)	51%	extreme
June Weather	23°C (74°F)	116 mm (4.6 inches)	74%	extreme
July Weather	22°C (71°F)	194 mm (7.6 inches)	79%	extreme
August Weather	22°C (71°F)	191 mm (7.5 inches)	81%	extreme
September Weather	21°C (70°F)	180 mm (7.1 inches)	84%	extreme
October Weather	21°C (70°F)	62 mm (2.5 inches)	75%	extreme
November Weather	19°C (66°F)	19 mm (0.8 inches)	71%	very high
December Weather	17°C (63°F)	5 mm (0.2 inches)	74%	very high