Last updated: June 24, 2025
In December, the average temperature in Leonardtown, United States hovers around 6°C (44°F). Expect a chilly minimum of -8°C (18°F) and a pleasant maximum reaching 19°C (67°F). This month also brings about 89 mm (3.5 in) of precipitation over 9 rainy days, contributing to an average humidity of 84%. Stay prepared for the elements!
In December in Leonardtown, the average temperature is 6°C (44°F). Maximums can reach 19°C (67°F), while minimums can drop as low as -8°C (18°F). Be prepared for a mix of chilly days and mild weather if you're planning to travel during this time.
In Leonardtown in December, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.
In Leonardtown in December humidity is 84%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and necessitating layered clothing to stay warm and dry while exploring the area.
In Leonardtown 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 Leonardtown, you can check the information here.
UV Risk Categories
Weather in Leonardtown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Leonardtown, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (39°F) | 65 mm (2.5 inches) | 84% | moderate |
February Weather | 6°C (43°F) | 95 mm (3.7 inches) | 83% | moderate |
March Weather | 9°C (48°F) | 79 mm (3.1 inches) | 83% | high |
April Weather | 14°C (58°F) | 94 mm (3.7 inches) | 81% | very high |
May Weather | 19°C (67°F) | 117 mm (4.6 inches) | 78% | very high |
June Weather | 24°C (76°F) | 106 mm (4.2 inches) | 79% | very high |
July Weather | 27°C (81°F) | 132 mm (5.2 inches) | 74% | very high |
August Weather | 26°C (79°F) | 157 mm (6.2 inches) | 72% | very high |
September Weather | 23°C (74°F) | 100 mm (3.9 inches) | 75% | very high |
October Weather | 18°C (64°F) | 118 mm (4.7 inches) | 81% | high |
November Weather | 10°C (50°F) | 83 mm (3.3 inches) | 85% | moderate |
December Weather | 6°C (44°F) | 89 mm (3.5 inches) | 84% | moderate |