Last updated: August 23, 2025
In December, the average temperature in Oni, Georgia hovers around -1°C (31°F), with the mercury occasionally dipping as low as -19°C (-2°F) and reaching up to 9°C (49°F). Expect a precipitation amount of 99 mm (3.9 in) over roughly 11 days, coupled with a high average humidity of 87%. Be prepared for chilly, damp days!
In December in Oni, the average temperature is -1°C (31°F). Maximum temperatures can reach 9°C (49°F), while minimums can drop as low as -19°C (-2°F). Visitors should be prepared for a wide range of temperatures, ensuring they pack warm layers for their travels.
In Oni, in December, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.
In Oni in December humidity is 87%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps through your clothes, making traveling incredibly uncomfortable as it adds a layer of dampness to the already cold air, leaving you shivering and wishing for warmth.
In Oni in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Oni, you can visit Hourly UV Index in Oni.
UV Risk Categories
Weather in Oni varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Oni, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 82 mm (3.2 inches) | 85% | moderate |
| February Weather | -2°C (28°F) | 123 mm (4.9 inches) | 86% | moderate |
| March Weather | 1°C (34°F) | 134 mm (5.3 inches) | 84% | high |
| April Weather | 6°C (43°F) | 117 mm (4.6 inches) | 78% | very high |
| May Weather | 11°C (52°F) | 114 mm (4.5 inches) | 76% | very high |
| June Weather | 16°C (62°F) | 81 mm (3.2 inches) | 79% | extreme |
| July Weather | 19°C (66°F) | 88 mm (3.5 inches) | 75% | extreme |
| August Weather | 19°C (66°F) | 52 mm (2.0 inches) | 60% | very high |
| September Weather | 15°C (58°F) | 90 mm (3.6 inches) | 60% | very high |
| October Weather | 9°C (48°F) | 98 mm (3.9 inches) | 80% | high |
| November Weather | 3°C (37°F) | 86 mm (3.4 inches) | 86% | moderate |
| December Weather | -1°C (31°F) | 99 mm (3.9 inches) | 87% | low |