January Weather in Rio Grande City, United States

Last updated: June 24, 2025

In January, the average temperature in Rio Grande City, United States is a comfortable 16°C (61°F). However, be prepared for a range of temperatures, as it can drop to a chilly -1°C (30°F) or soar up to a sizzling 35°C (96°F). Expect about 18 mm (0.7 in) of precipitation spread over 4 days, with an average humidity level of 83%, making it a month where the air feels quite moist.

January Temperature in Rio Grande City

In January in Rio Grande City, the average temperature is 16°C (61°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop as low as -1°C (30°F). Be sure to pack layers to accommodate the varying temperatures, and enjoy your travels!

January Weather in Rio Grande City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rio Grande City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande City, January typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (96°F) and lows dropping to around -1°C (30°F).

Data source: Temperature data for Rio Grande City generated using information from the Copernicus Climate Change Service.

January Precipitation in Rio Grande City

In Rio Grande City in January, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

January Precipitation Trends in Rio Grande City

The chart displays monthly precipitation patterns in Rio Grande City, 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 Rio Grande City, January typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 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 Rio Grande City

In Rio Grande City in January, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

January Average Humidity in Rio Grande City

This chart illustrates the average monthly humidity levels in Rio Grande City, 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 Rio Grande City is approximately 83%, 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 Rio Grande City

In Rio Grande City in January, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Rio Grande City, you can refer to this Hourly UV Index in Rio Grande City.

Maximum UV Index Levels in Rio Grande City for January

The chart shows the monthly maximum UV Index (UVI) for Rio Grande City 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 Rio Grande City typically reaches 6, which falls under the high exposure category.

Data source: Rio Grande City 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 Rio Grande City Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	18 mm (0.7 inches)	83%	high
February Weather	18°C (65°F)	18 mm (0.7 inches)	79%	very high
March Weather	22°C (72°F)	29 mm (1.1 inches)	76%	very high
April Weather	25°C (78°F)	32 mm (1.3 inches)	77%	extreme
May Weather	28°C (83°F)	77 mm (3.0 inches)	80%	extreme
June Weather	30°C (86°F)	79 mm (3.1 inches)	73%	extreme
July Weather	30°C (87°F)	73 mm (2.9 inches)	66%	extreme
August Weather	31°C (89°F)	16 mm (0.6 inches)	65%	extreme
September Weather	29°C (84°F)	97 mm (3.8 inches)	73%	extreme
October Weather	25°C (77°F)	37 mm (1.5 inches)	76%	very high
November Weather	20°C (69°F)	37 mm (1.5 inches)	80%	high
December Weather	17°C (64°F)	20 mm (0.8 inches)	86%	high