Last updated: June 24, 2025
In December, the average temperature in Greenwood, United States hovers around 3°C (37°F). Expect a minimum chill of -18°C (-1°F) and a pleasant maximum of 19°C (66°F). With 92 mm (3.6 in) of precipitation spread over 10 days, you'll want to be prepared for some wet weather. Plus, enjoy the fresh air with an average humidity of 87%!
In December in Greenwood, the average temperature is 3°C (37°F). The maximum can reach 19°C (66°F) and the minimum can be as low as -18°C (-1°F). Travelers should be prepared for a wide temperature range, ensuring they bring both warm clothing for the cold days and lighter layers for the milder afternoons.
In Greenwood in December, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.
In Greenwood in December, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.
In Greenwood 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 Greenwood, you can check the information here.
UV Risk Categories
Weather in Greenwood varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Greenwood, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 83 mm (3.3 inches) | 87% | moderate |
| February Weather | 1°C (35°F) | 100 mm (3.9 inches) | 85% | moderate |
| March Weather | 6°C (44°F) | 136 mm (5.4 inches) | 86% | high |
| April Weather | 12°C (53°F) | 108 mm (4.3 inches) | 84% | very high |
| May Weather | 18°C (65°F) | 131 mm (5.2 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 115 mm (4.5 inches) | 82% | extreme |
| July Weather | 25°C (77°F) | 108 mm (4.2 inches) | 79% | very high |
| August Weather | 23°C (74°F) | 94 mm (3.7 inches) | 70% | very high |
| September Weather | 21°C (70°F) | 79 mm (3.1 inches) | 69% | very high |
| October Weather | 15°C (58°F) | 99 mm (3.9 inches) | 76% | high |
| November Weather | 6°C (42°F) | 99 mm (3.9 inches) | 88% | moderate |
| December Weather | 3°C (37°F) | 92 mm (3.6 inches) | 87% | moderate |