Last updated: June 24, 2025
In December, the average temperature in Julesburg, United States hovers around 1°C (34°F). While you might experience minimum chills of -19°C (-3°F), the mercury can climb to a pleasant 24°C (76°F) on warmer days. With an average precipitation of 17 mm (0.7 in) spread over just 3 days, and humidity levels at 78%, it's a month that offers a mix of cool breezes and the occasional drizzle.
In December in Julesburg, the average temperature is 1°C (34°F). Maximums can reach 24°C (76°F) and minimums can be as low as -19°C (-3°F). Be prepared for a wide range of temperatures while traveling, as you may need both summer and winter clothing.
In Julesburg in December, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.
In Julesburg in December, humidity is 78%. With an average temperature of 1°C (34°F), this humidity feels like an extra layer of chill in the air, making travel uncomfortable and damp, often leading to a persistent sense of cold that can seep into your bones, leaving you wishing for a warm shelter.
In Julesburg 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 Julesburg, you can check the information here.
UV Risk Categories
Weather in Julesburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Julesburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 13 mm (0.5 inches) | 73% | moderate |
| February Weather | -2°C (29°F) | 17 mm (0.7 inches) | 80% | moderate |
| March Weather | 5°C (42°F) | 63 mm (2.5 inches) | 64% | high |
| April Weather | 9°C (48°F) | 55 mm (2.2 inches) | 64% | very high |
| May Weather | 14°C (58°F) | 124 mm (4.9 inches) | 76% | very high |
| June Weather | 22°C (72°F) | 42 mm (1.6 inches) | 79% | extreme |
| July Weather | 25°C (77°F) | 54 mm (2.1 inches) | 77% | extreme |
| August Weather | 23°C (74°F) | 42 mm (1.6 inches) | 79% | very high |
| September Weather | 20°C (68°F) | 28 mm (1.1 inches) | 70% | very high |
| October Weather | 10°C (50°F) | 36 mm (1.4 inches) | 64% | high |
| November Weather | 5°C (42°F) | 18 mm (0.7 inches) | 75% | moderate |
| December Weather | 1°C (34°F) | 17 mm (0.7 inches) | 78% | moderate |