Last updated: June 24, 2025
In December, the average temperature in Green Forest, United States hovers around 6°C (43°F), with extremes ranging from a frigid -10°C (13°F) to a balmy 24°C (76°F). Expect about 74 mm (2.9 in) of precipitation over 8 days, contributing to a high average humidity of 87%. Whether you’re bracing for the chill or enjoying the mild days, be prepared for a mix of weather this month!
In December in Green Forest, the average temperature is 6°C (43°F), with maximums reaching 24°C (76°F) and minimums dipping as low as -10°C (13°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.
In Green Forest in December, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.
In Green Forest in December, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.
In Green Forest 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 Green Forest, you can check the information here.
UV Risk Categories
Weather in Green Forest varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Green Forest, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 79 mm (3.1 inches) | 81% | moderate |
| February Weather | 4°C (40°F) | 99 mm (3.9 inches) | 78% | high |
| March Weather | 10°C (51°F) | 136 mm (5.4 inches) | 76% | very high |
| April Weather | 13°C (56°F) | 157 mm (6.2 inches) | 78% | very high |
| May Weather | 19°C (67°F) | 174 mm (6.8 inches) | 83% | extreme |
| June Weather | 24°C (75°F) | 98 mm (3.9 inches) | 83% | extreme |
| July Weather | 26°C (78°F) | 84 mm (3.3 inches) | 78% | extreme |
| August Weather | 24°C (76°F) | 146 mm (5.8 inches) | 68% | very high |
| September Weather | 22°C (73°F) | 61 mm (2.4 inches) | 64% | very high |
| October Weather | 15°C (60°F) | 128 mm (5.0 inches) | 70% | high |
| November Weather | 8°C (48°F) | 71 mm (2.8 inches) | 83% | moderate |
| December Weather | 6°C (43°F) | 74 mm (2.9 inches) | 87% | moderate |