Last updated: June 24, 2025
In December, the average temperature in Little Rock, United States hovers around -9°C (16°F). Conditions can be quite extreme, with minimum temperatures plunging to -33°C (-28°F) and maximums reaching a mild 6°C (44°F). Expect 44 mm (1.7 in) of precipitation spread over 9 days, along with high average humidity of 86%, creating a chilly yet intriguing atmosphere.
In December in Little Rock, the average temperature is -9°C (16°F). The maximum can reach 6°C (44°F) and the minimum can be as low as -33°C (-28°F). It's advisable to pack warm clothing and be prepared for cold weather conditions while traveling.
In Little Rock in December, the precipitation amount is 44 mm (1.7 in) over the course of 9 days.
In Little Rock in December, humidity is 86%. With an average temperature of -9°C (16°F), this humidity feels like a cold, biting chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.
In Little Rock 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 Little Rock, you can visit Hourly UV Index in Little Rock.
UV Risk Categories
Weather in Little Rock varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Little Rock, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -13°C (10°F) | 22 mm (0.9 inches) | 90% | low |
| February Weather | -13°C (9°F) | 24 mm (0.9 inches) | 92% | moderate |
| March Weather | -3°C (26°F) | 25 mm (1.0 inches) | 85% | moderate |
| April Weather | 2°C (36°F) | 57 mm (2.3 inches) | 81% | high |
| May Weather | 12°C (54°F) | 53 mm (2.1 inches) | 75% | very high |
| June Weather | 19°C (67°F) | 82 mm (3.2 inches) | 79% | very high |
| July Weather | 22°C (71°F) | 80 mm (3.1 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 71 mm (2.8 inches) | 78% | very high |
| September Weather | 15°C (59°F) | 106 mm (4.2 inches) | 77% | high |
| October Weather | 6°C (43°F) | 89 mm (3.5 inches) | 79% | moderate |
| November Weather | -3°C (26°F) | 30 mm (1.2 inches) | 86% | moderate |
| December Weather | -9°C (16°F) | 44 mm (1.7 inches) | 86% | low |