Last updated: June 24, 2025
In December, the average temperature in Oak Grove, United States hovers around 10°C (50°F), with the mercury capable of dipping as low as -7°C (19°F) and rising to a maximum of 25°C (77°F). This month sees an average precipitation of 135 mm (5.3 in) spread over 13 days, contributing to a notably high average humidity of 88%. Be prepared for a mix of weather as you explore!
In December in Oak Grove, the average temperature is 10°C (50°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop to as low as -7°C (19°F). This variability in temperature makes it essential for travelers to pack both warm and light clothing for their visit.
In Oak Grove in December, the precipitation amount is 135 mm (5.3 in) over the course of 13 days.
In Oak Grove in December, humidity is 88%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and encouraging travelers to seek cozy indoor activities instead.
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 | 8°C (47°F) | 112 mm (4.4 inches) | 85% | moderate |
| February Weather | 12°C (53°F) | 151 mm (6.0 inches) | 84% | high |
| March Weather | 14°C (58°F) | 125 mm (4.9 inches) | 82% | very high |
| April Weather | 17°C (63°F) | 135 mm (5.3 inches) | 82% | very high |
| May Weather | 22°C (72°F) | 108 mm (4.3 inches) | 81% | extreme |
| June Weather | 25°C (78°F) | 139 mm (5.5 inches) | 77% | extreme |
| July Weather | 27°C (80°F) | 118 mm (4.6 inches) | 77% | extreme |
| August Weather | 26°C (80°F) | 128 mm (5.0 inches) | 72% | extreme |
| September Weather | 25°C (77°F) | 85 mm (3.3 inches) | 73% | very high |
| October Weather | 20°C (68°F) | 120 mm (4.7 inches) | 73% | high |
| November Weather | 12°C (54°F) | 85 mm (3.3 inches) | 85% | high |
| December Weather | 10°C (50°F) | 135 mm (5.3 inches) | 88% | moderate |