Last updated: June 24, 2025
In January, the average temperature in Fairbury, United States hovers around -2°C (28°F), with extremes ranging from a chilling -23°C (-10°F) to a surprisingly warm 17°C (63°F). The month typically sees about 29 mm (1.1 in) of precipitation spread over 4 days, contributing to an average humidity of 76%. Embrace this brisk yet variable weather as you explore the unique character of the season!
In January in Fairbury, the average temperature is -2°C (28°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures, from chilly extremes to relatively mild days.
In Fairbury in January, the precipitation amount is 29 mm (1.1 in) over a span of 4 days.
In Fairbury in January, humidity is 76%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making outdoor travel uncomfortable and brisk.
In Fairbury 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 Fairbury, you can check the information here.
UV Risk Categories
Weather in Fairbury varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Fairbury, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -2°C (28°F) | 29 mm (1.1 inches) | 76% | moderate |
February Weather | -2°C (28°F) | 24 mm (1.0 inches) | 80% | moderate |
March Weather | 6°C (43°F) | 92 mm (3.6 inches) | 73% | high |
April Weather | 11°C (52°F) | 48 mm (1.9 inches) | 74% | very high |
May Weather | 18°C (64°F) | 170 mm (6.7 inches) | 78% | very high |
June Weather | 25°C (77°F) | 94 mm (3.7 inches) | 82% | extreme |
July Weather | 26°C (80°F) | 59 mm (2.3 inches) | 83% | extreme |
August Weather | 24°C (76°F) | 90 mm (3.6 inches) | 80% | very high |
September Weather | 22°C (71°F) | 75 mm (3.0 inches) | 75% | very high |
October Weather | 12°C (54°F) | 106 mm (4.2 inches) | 75% | high |
November Weather | 5°C (42°F) | 25 mm (1.0 inches) | 82% | moderate |
December Weather | 1°C (34°F) | 36 mm (1.4 inches) | 83% | moderate |