Last updated: June 24, 2025
In January, the average temperature in Vermillion, United States is a chilly -5°C (23°F), with extremes ranging from a biting -32°C (-25°F) to a milder 14°C (57°F). Expect about 25 mm (1.0 in) of precipitation over 4 days, contributing to a high average humidity of 80%. Prepare for cold and damp conditions!
In January in Vermillion, the average temperature is -5°C (23°F), with maximums reaching 14°C (57°F) and minimums plummeting to -32°C (-25°F). Be prepared for a wide range of temperatures if you plan to travel during this time.
In Vermillion in January, the precipitation amount is 25 mm (1.0 in) over the course of 4 days.
In Vermillion in January humidity is 80%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the frosty air.
In Vermillion 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 Vermillion, you can check the information here.
UV Risk Categories
Weather in Vermillion varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Vermillion, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (23°F) | 25 mm (1.0 inches) | 80% | moderate |
February Weather | -5°C (22°F) | 26 mm (1.0 inches) | 84% | moderate |
March Weather | 3°C (38°F) | 79 mm (3.1 inches) | 75% | high |
April Weather | 8°C (47°F) | 85 mm (3.3 inches) | 79% | very high |
May Weather | 16°C (60°F) | 148 mm (5.8 inches) | 74% | very high |
June Weather | 23°C (74°F) | 94 mm (3.7 inches) | 81% | extreme |
July Weather | 25°C (77°F) | 82 mm (3.2 inches) | 82% | very high |
August Weather | 23°C (73°F) | 93 mm (3.7 inches) | 80% | very high |
September Weather | 20°C (68°F) | 85 mm (3.3 inches) | 75% | very high |
October Weather | 10°C (50°F) | 76 mm (3.0 inches) | 77% | moderate |
November Weather | 3°C (37°F) | 23 mm (0.9 inches) | 85% | moderate |
December Weather | -2°C (28°F) | 42 mm (1.6 inches) | 83% | low |