Last updated: June 24, 2025
In South Jordan, United States, the average temperature in December hovers around -2°C (29°F), with extremes ranging from a chilly -17°C (2°F) to a milder 15°C (59°F). Expect 43 mm (1.7 in) of precipitation spread over 10 days, contributing to an average humidity of 88%. Be prepared for a cold and wet climate!
In December in South Jordan, the average temperature is -2°C (29°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, layering clothing accordingly to stay comfortable during their visit.
In South Jordan in December, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.
In South Jordan in December, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.
In South Jordan in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in South Jordan, you can check the information here.
UV Risk Categories
Weather in South Jordan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in South Jordan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 50 mm (2.0 inches) | 91% | moderate |
| February Weather | 0°C (32°F) | 58 mm (2.3 inches) | 92% | high |
| March Weather | 5°C (41°F) | 64 mm (2.5 inches) | 84% | high |
| April Weather | 9°C (49°F) | 60 mm (2.3 inches) | 74% | very high |
| May Weather | 15°C (59°F) | 44 mm (1.7 inches) | 62% | extreme |
| June Weather | 22°C (73°F) | 12 mm (0.5 inches) | 56% | extreme |
| July Weather | 27°C (81°F) | 10 mm (0.4 inches) | 44% | extreme |
| August Weather | 26°C (78°F) | 18 mm (0.7 inches) | 37% | extreme |
| September Weather | 20°C (68°F) | 31 mm (1.2 inches) | 46% | very high |
| October Weather | 10°C (51°F) | 36 mm (1.4 inches) | 67% | high |
| November Weather | 5°C (41°F) | 30 mm (1.2 inches) | 84% | moderate |
| December Weather | -2°C (29°F) | 43 mm (1.7 inches) | 88% | moderate |