Last updated: June 24, 2025
In December, the average temperature in Oak Grove, United States hovers around 11°C (53°F). Expect a chilly minimum of -4°C (24°F) and a balmy maximum of 27°C (82°F). Over the course of the month, 80 mm (3.2 in) of precipitation is likely, spread across about 7 days, leading to an average humidity of 87%.
In December in Oak Grove, the average temperature is 11°C (53°F). Maximum temperatures can reach 27°C (82°F), while minimums can dip as low as -4°C (24°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and chilly conditions.
In Oak Grove in December, the total precipitation amount is 80 mm (3.2 in) over the course of 7 days.
In Oak Grove in December, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.
In Oak Grove in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Oak Grove for better planning.
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 (48°F) | 76 mm (3.0 inches) | 80% | moderate |
| February Weather | 10°C (50°F) | 117 mm (4.6 inches) | 79% | high |
| March Weather | 16°C (61°F) | 107 mm (4.2 inches) | 78% | very high |
| April Weather | 19°C (66°F) | 140 mm (5.5 inches) | 78% | very high |
| May Weather | 24°C (75°F) | 173 mm (6.8 inches) | 81% | extreme |
| June Weather | 27°C (82°F) | 91 mm (3.6 inches) | 78% | extreme |
| July Weather | 29°C (85°F) | 69 mm (2.7 inches) | 73% | extreme |
| August Weather | 29°C (85°F) | 85 mm (3.4 inches) | 66% | extreme |
| September Weather | 27°C (80°F) | 96 mm (3.8 inches) | 65% | very high |
| October Weather | 20°C (69°F) | 137 mm (5.4 inches) | 72% | very high |
| November Weather | 14°C (57°F) | 57 mm (2.2 inches) | 82% | high |
| December Weather | 11°C (53°F) | 80 mm (3.2 inches) | 87% | moderate |