Last updated: June 24, 2025
In January, the average temperature in McLeansboro, United States hovers around 2°C (35°F). Expect temperature variations with a minimum of -17°C (1°F) and a maximum reaching 21°C (71°F). This month often brings 96 mm (3.8 in) of precipitation spread across approximately 8 days, resulting in an average humidity of 86%. Stay prepared for a mix of chilly days and potential rain!
In January in McLeansboro, the average temperature is 2°C (35°F). The maximum can reach 21°C (71°F), while the minimum can dip as low as -17°C (1°F). Be prepared for a wide range of temperatures if you plan to travel during this time.
In McLeansboro in January, the precipitation amount is 96 mm (3.8 in) over the course of 8 days.
In McLeansboro in January humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.
In McLeansboro 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 McLeansboro, you can check the information here.
UV Risk Categories
Weather in McLeansboro varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in McLeansboro, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (35°F) | 96 mm (3.8 inches) | 86% | moderate |
February Weather | 4°C (39°F) | 111 mm (4.4 inches) | 84% | moderate |
March Weather | 9°C (49°F) | 139 mm (5.5 inches) | 84% | high |
April Weather | 14°C (57°F) | 130 mm (5.1 inches) | 80% | very high |
May Weather | 20°C (69°F) | 134 mm (5.3 inches) | 82% | extreme |
June Weather | 25°C (78°F) | 115 mm (4.5 inches) | 83% | extreme |
July Weather | 27°C (81°F) | 84 mm (3.3 inches) | 79% | very high |
August Weather | 25°C (77°F) | 85 mm (3.3 inches) | 76% | very high |
September Weather | 23°C (73°F) | 76 mm (3.0 inches) | 75% | very high |
October Weather | 16°C (61°F) | 105 mm (4.1 inches) | 74% | high |
November Weather | 7°C (46°F) | 94 mm (3.7 inches) | 85% | moderate |
December Weather | 5°C (41°F) | 91 mm (3.6 inches) | 88% | moderate |