Last updated: June 24, 2025
In December, the average temperature in Smithville, United States hovers around 5°C (42°F). Expect a minimum chill of -11°C (13°F) and a pleasant maximum of 19°C (66°F). This month brings 106 mm (4.2 in) of precipitation spread over 9 days, accompanied by an average humidity of 81%.
In December in Smithville, the average temperature is 5°C (42°F). The maximum can reach 19°C (66°F), while the minimum can drop as low as -11°C (13°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Smithville in December, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.
In Smithville in December, humidity is 81%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel more daunting and travel less invigorating.
In Smithville 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 Smithville, you can check the information here.
UV Risk Categories
Weather in Smithville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Smithville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 3°C (38°F) | 65 mm (2.5 inches) | 83% | moderate |
February Weather | 5°C (41°F) | 102 mm (4.0 inches) | 82% | moderate |
March Weather | 7°C (45°F) | 109 mm (4.3 inches) | 81% | high |
April Weather | 12°C (54°F) | 98 mm (3.9 inches) | 79% | very high |
May Weather | 17°C (63°F) | 109 mm (4.3 inches) | 74% | very high |
June Weather | 23°C (73°F) | 90 mm (3.5 inches) | 77% | very high |
July Weather | 26°C (79°F) | 125 mm (4.9 inches) | 76% | very high |
August Weather | 25°C (77°F) | 132 mm (5.2 inches) | 77% | very high |
September Weather | 22°C (72°F) | 112 mm (4.4 inches) | 74% | very high |
October Weather | 17°C (63°F) | 136 mm (5.4 inches) | 75% | high |
November Weather | 9°C (49°F) | 80 mm (3.1 inches) | 80% | moderate |
December Weather | 5°C (42°F) | 106 mm (4.2 inches) | 81% | moderate |