Last updated: June 24, 2025
In December, the average temperature in Coal Grove, United States hovers around 5°C (41°F), with a minimum dipping to -13°C (10°F) and a maximum reaching up to 20°C (69°F). Expect about 118 mm (4.6 in) of precipitation over approximately 10 days, alongside a relatively high average humidity of 87%.
In December in Coal Grove, the average temperature is 5°C (41°F). Maximums can reach 20°C (69°F) and minimums can be as low as -13°C (10°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Coal Grove in December, the total precipitation amount is 118 mm (4.6 in) over a span of 10 days.
In Coal Grove in December humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.
In Coal Grove 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 Coal Grove, you can check the information here.
UV Risk Categories
Weather in Coal Grove varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Coal Grove, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 91 mm (3.6 inches) | 88% | moderate |
| February Weather | 5°C (41°F) | 130 mm (5.1 inches) | 88% | moderate |
| March Weather | 8°C (47°F) | 107 mm (4.2 inches) | 87% | high |
| April Weather | 13°C (56°F) | 125 mm (4.9 inches) | 85% | very high |
| May Weather | 19°C (66°F) | 128 mm (5.0 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 166 mm (6.5 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 109 mm (4.3 inches) | 81% | very high |
| August Weather | 24°C (76°F) | 130 mm (5.1 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 110 mm (4.3 inches) | 73% | very high |
| October Weather | 16°C (60°F) | 114 mm (4.5 inches) | 78% | high |
| November Weather | 7°C (46°F) | 76 mm (3.0 inches) | 89% | moderate |
| December Weather | 5°C (41°F) | 118 mm (4.6 inches) | 87% | moderate |