Last updated: June 24, 2025
In December, the average temperature in Oak Grove, United States hovers around -5°C (23°F). It can dip as low as -27°C (-15°F), while the mercury might rise to a pleasant 13°C (55°F). Expect about 50 mm (2.0 in) of precipitation over roughly 7 days and brace for an average humidity level of 84%, making it a chilly yet intriguing time to experience the area!
In December in Oak Grove, the average temperature is -5°C (23°F). The maximum can reach 13°C (55°F), while the minimum can drop as low as -27°C (-15°F). Travelers should be prepared for a wide range of temperatures and ensure they bring appropriate clothing for both mild and extremely cold conditions.
In Oak Grove in December, the precipitation amount is 50 mm (2.0 in) over a span of 7 days.
In Oak Grove in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the chill.
In Oak Grove 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 Oak Grove, you can visit Hourly UV Index in Oak Grove.
UV Risk Categories
Weather in Oak Grove varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Oak Grove, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 23 mm (0.9 inches) | 87% | low |
| February Weather | -9°C (16°F) | 31 mm (1.2 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 54 mm (2.1 inches) | 85% | moderate |
| April Weather | 6°C (43°F) | 94 mm (3.7 inches) | 84% | high |
| May Weather | 15°C (59°F) | 114 mm (4.5 inches) | 78% | very high |
| June Weather | 22°C (71°F) | 79 mm (3.1 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 102 mm (4.0 inches) | 81% | very high |
| August Weather | 21°C (71°F) | 134 mm (5.3 inches) | 81% | very high |
| September Weather | 18°C (64°F) | 112 mm (4.4 inches) | 81% | high |
| October Weather | 9°C (48°F) | 104 mm (4.1 inches) | 84% | moderate |
| November Weather | 0°C (33°F) | 35 mm (1.4 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 50 mm (2.0 inches) | 84% | low |