January Weather in San Jose del Rio, Mexico

Last updated: August 27, 2025

In San Jose del Rio, Mexico, the average temperature in January hovers around 13°C (56°F). Prepare for a range of temperatures, where the minimum can drop to -1°C (31°F) and the maximum may reach 26°C (80°F). Expect some rain, with an average precipitation amount of 11 mm (0.4 in) over the course of 2 days. Humidity tends to linger at an average of 74%, creating a cool and damp atmosphere.

January Temperature in San Jose del Rio

In January in San Jose del Rio, the average temperature is 13°C (56°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as -1°C (31°F). Travelers should prepare for a mix of mild and chilly weather, making it essential to pack layers for their trip.

January Weather in San Jose del Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Jose del Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose del Rio, January typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (80°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in San Jose del Rio

In San Jose del Rio in January, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

January Precipitation Trends in San Jose del Rio

The chart displays monthly precipitation patterns in San Jose del Rio, 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 Jose del Rio, January typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 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 Jose del Rio

In San Jose del Rio in January humidity is 74%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, especially for travelers unaccustomed to such conditions.

January Average Humidity in San Jose del Rio

This chart illustrates the average monthly humidity levels in San Jose del Rio, 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 Jose del Rio 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 Jose del Rio

In San Jose del Rio 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 Jose del Rio.

Maximum UV Index Levels in San Jose del Rio for January

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

Data source: San Jose del Rio 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 Jose del Rio Compares to Other Months

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

This table compares monthly weather conditions in San Jose del Rio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	11 mm (0.4 inches)	74%	very high
February Weather	16°C (60°F)	9 mm (0.4 inches)	65%	extreme
March Weather	19°C (66°F)	5 mm (0.2 inches)	58%	extreme
April Weather	20°C (69°F)	3 mm (0.1 inches)	58%	extreme
May Weather	22°C (72°F)	25 mm (1.0 inches)	67%	extreme
June Weather	21°C (71°F)	111 mm (4.4 inches)	76%	extreme
July Weather	20°C (68°F)	122 mm (4.8 inches)	67%	extreme
August Weather	20°C (69°F)	93 mm (3.7 inches)	68%	extreme
September Weather	19°C (67°F)	121 mm (4.7 inches)	81%	extreme
October Weather	18°C (65°F)	44 mm (1.7 inches)	83%	extreme
November Weather	16°C (61°F)	12 mm (0.5 inches)	84%	very high
December Weather	13°C (57°F)	7 mm (0.3 inches)	81%	very high