Last updated: June 24, 2025
In Rio Grande, United States, the average temperature in January hovers around 1°C (35°F). Expect minimums to plunge as low as -20°C (-4°F), while maximums can reach a pleasant 22°C (72°F). Throughout the month, anticipate precipitation totaling 87 mm (3.4 in) over about 10 days, accompanied by a high average humidity of 88%.
In January in Rio Grande, the average temperature is 1°C (35°F). The maximum can reach 22°C (72°F) and the minimum can be as low as -20°C (-4°F). Be prepared for a wide range of temperatures if you plan to travel during this time!
In Rio Grande in January, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.
In Rio Grande in January, humidity is 88%. With an average temperature of 1°C (35°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the cold moisture clings to your skin, leaving you feeling damp and frigid.
In Rio Grande in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Rio Grande, you can check the information here.
UV Risk Categories
Weather in Rio Grande varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Rio Grande, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (35°F) | 87 mm (3.4 inches) | 88% | moderate |
February Weather | 4°C (39°F) | 127 mm (5.0 inches) | 88% | moderate |
March Weather | 8°C (46°F) | 111 mm (4.4 inches) | 87% | high |
April Weather | 13°C (55°F) | 133 mm (5.2 inches) | 85% | very high |
May Weather | 19°C (66°F) | 128 mm (5.1 inches) | 81% | very high |
June Weather | 23°C (73°F) | 143 mm (5.6 inches) | 82% | very high |
July Weather | 25°C (78°F) | 109 mm (4.3 inches) | 81% | very high |
August Weather | 24°C (75°F) | 119 mm (4.7 inches) | 73% | very high |
September Weather | 21°C (71°F) | 101 mm (4.0 inches) | 73% | very high |
October Weather | 15°C (60°F) | 108 mm (4.3 inches) | 78% | high |
November Weather | 7°C (45°F) | 81 mm (3.2 inches) | 89% | moderate |
December Weather | 4°C (39°F) | 117 mm (4.6 inches) | 87% | moderate |