Last updated: June 24, 2025
In December, the average temperature in Boonville, United States hovers around 5°C (42°F). Expect a minimum as low as -15°C (6°F) and a maximum reaching 23°C (73°F). With precipitation totaling 105 mm (4.1 in) spread over 10 days, the average humidity sits at a notable 88%. Prepare for a month of varied weather!
In December in Boonville, the average temperature is 5°C (42°F), with a maximum that can reach 23°C (73°F) and a minimum that can dip as low as -15°C (6°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!
In Boonville in December, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.
In Boonville in December humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.
In Boonville in December, 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 Boonville, you can check the information here.
UV Risk Categories
Weather in Boonville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Boonville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (36°F) | 94 mm (3.7 inches) | 87% | moderate |
February Weather | 4°C (40°F) | 124 mm (4.9 inches) | 86% | moderate |
March Weather | 9°C (49°F) | 139 mm (5.5 inches) | 86% | high |
April Weather | 14°C (57°F) | 120 mm (4.7 inches) | 82% | very high |
May Weather | 21°C (69°F) | 134 mm (5.3 inches) | 82% | very high |
June Weather | 25°C (77°F) | 118 mm (4.6 inches) | 83% | extreme |
July Weather | 27°C (80°F) | 81 mm (3.2 inches) | 80% | very high |
August Weather | 25°C (78°F) | 84 mm (3.3 inches) | 74% | very high |
September Weather | 23°C (73°F) | 86 mm (3.4 inches) | 71% | very high |
October Weather | 16°C (62°F) | 121 mm (4.8 inches) | 78% | high |
November Weather | 8°C (46°F) | 93 mm (3.7 inches) | 88% | moderate |
December Weather | 5°C (42°F) | 105 mm (4.1 inches) | 88% | moderate |