Last updated: June 24, 2025
In March, the average temperature in Hannibal, United States hovers around 1°C (35°F). However, be prepared for a wide range, with minimums dipping to -15°C (6°F) and maximums occasionally reaching 21°C (70°F). Expect 87 mm (3.4 in) of precipitation over approximately 14 days, coupled with an average humidity of 87%, making it a notably chilly and damp time of year.
In March in Hannibal, the average temperature is 1°C (35°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as -15°C (6°F). It's advisable to pack layers and be prepared for a range of temperatures during your travels.
In Hannibal in March, the precipitation amount is 87 mm (3.4 in) over a span of 14 days.
In Hannibal in March humidity is 87%. With an average temperature of 1°C (35°F), this humidity feels like a chilling dampness that seeps into your bones, making travel feel particularly uncomfortable as the cold air clings to your skin and makes each step feel heavier.
In Hannibal in March, 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 Hannibal, you can refer to this Hourly UV Index in Hannibal.
UV Risk Categories
Weather in Hannibal varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Hannibal, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -3°C (27°F) | 96 mm (3.8 inches) | 90% | moderate |
February Weather | -2°C (29°F) | 96 mm (3.8 inches) | 90% | moderate |
March Weather | 1°C (35°F) | 87 mm (3.4 inches) | 87% | high |
April Weather | 7°C (45°F) | 121 mm (4.8 inches) | 88% | very high |
May Weather | 14°C (57°F) | 121 mm (4.8 inches) | 82% | very high |
June Weather | 19°C (66°F) | 93 mm (3.7 inches) | 79% | very high |
July Weather | 23°C (73°F) | 185 mm (7.3 inches) | 78% | very high |
August Weather | 22°C (72°F) | 123 mm (4.8 inches) | 76% | very high |
September Weather | 18°C (65°F) | 90 mm (3.5 inches) | 78% | high |
October Weather | 13°C (55°F) | 169 mm (6.7 inches) | 84% | high |
November Weather | 5°C (41°F) | 113 mm (4.5 inches) | 89% | moderate |
December Weather | 0°C (33°F) | 116 mm (4.5 inches) | 86% | low |