Last updated: June 24, 2025
In December, the average temperature in Leon, United States hovers around 0°C (33°F). However, temperatures can fluctuate dramatically, with a minimum of -25°C (-13°F) and a maximum reaching 22°C (73°F). Expect a precipitation amount of 35 mm (1.4 in) spread over 4 days, and prepare for a typically high average humidity of 83%.
In December in Leon, the average temperature is 0°C (33°F). Maximum temperatures can reach 22°C (73°F), while minimums can drop as low as -25°C (-13°F). Be prepared for a wide range of temperatures if you're planning to travel during this month!
In Leon in December, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.
In Leon in December, humidity is 83%. With an average temperature of 0°C (33°F), this humidity feels like a cold, damp chill that cuts through layers of clothing, making travel uncomfortable and brisk as each breath fills the lungs with icy moisture.
In Leon 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 Leon, you can check the information here.
UV Risk Categories
Weather in Leon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Leon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 44 mm (1.7 inches) | 78% | moderate |
| February Weather | -3°C (27°F) | 39 mm (1.6 inches) | 80% | moderate |
| March Weather | 5°C (42°F) | 98 mm (3.9 inches) | 77% | high |
| April Weather | 10°C (51°F) | 72 mm (2.8 inches) | 77% | very high |
| May Weather | 17°C (63°F) | 155 mm (6.1 inches) | 77% | very high |
| June Weather | 24°C (75°F) | 117 mm (4.6 inches) | 81% | extreme |
| July Weather | 25°C (78°F) | 96 mm (3.8 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 86 mm (3.4 inches) | 77% | very high |
| September Weather | 20°C (69°F) | 125 mm (4.9 inches) | 73% | very high |
| October Weather | 12°C (53°F) | 157 mm (6.2 inches) | 75% | high |
| November Weather | 4°C (40°F) | 52 mm (2.0 inches) | 85% | moderate |
| December Weather | 0°C (33°F) | 35 mm (1.4 inches) | 83% | moderate |