Last updated: June 24, 2025
In December, the average temperature in Jackson, United States hovers around -1°C (30°F). While it can dip as low as -23°C (-8°F), temperatures may also reach a pleasant 19°C (66°F). Expect 46 mm (1.8 in) of precipitation spread over 6 days, with an average humidity of 81%. Embrace the chill, but be prepared for some cozy indoor time!
In December in Jackson, the average temperature is -1°C (30°F). Maximum temperatures can reach up to 19°C (66°F), while the minimum can plummet to as low as -23°C (-8°F). Travelers should be prepared for a wide range of temperatures during this month, ensuring they pack accordingly to enjoy their visit.
In Jackson in December, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.
In Jackson in December, humidity is 81%. With an average temperature of -1°C (30°F), this humidity feels like an extra layer of chill settles in, making travel uncomfortable and the cold air cling to your skin, dampening the experience with every breath.
In Jackson 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 Jackson, you can visit Hourly UV Index in Jackson.
UV Risk Categories
Weather in Jackson varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jackson, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 54 mm (2.1 inches) | 85% | moderate |
| February Weather | -5°C (24°F) | 51 mm (2.0 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 61 mm (2.4 inches) | 85% | moderate |
| April Weather | 7°C (45°F) | 107 mm (4.2 inches) | 85% | very high |
| May Weather | 14°C (58°F) | 126 mm (5.0 inches) | 78% | very high |
| June Weather | 20°C (69°F) | 106 mm (4.2 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 97 mm (3.8 inches) | 78% | very high |
| August Weather | 22°C (71°F) | 87 mm (3.4 inches) | 76% | very high |
| September Weather | 18°C (65°F) | 98 mm (3.9 inches) | 79% | high |
| October Weather | 11°C (52°F) | 112 mm (4.4 inches) | 83% | moderate |
| November Weather | 3°C (37°F) | 46 mm (1.8 inches) | 88% | moderate |
| December Weather | -1°C (30°F) | 46 mm (1.8 inches) | 81% | low |