Last updated: June 24, 2025
In December, the average temperature in Tripoli, United States hovers around -2°C (29°F), with extremes ranging from a chilly -22°C (-7°F) to a surprising 22°C (71°F). Expect about 35 mm (1.4 in) of precipitation spread over 5 days, and feel the average humidity lingering at a high 82%. Don't forget to pack your layers!
In December in Tripoli, the average temperature is -2°C (29°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as -22°C (-7°F). Travelers should be prepared for significant temperature fluctuations during this time.
In Tripoli in December, the precipitation amount is 35 mm (1.4 in) over a span of 5 days.
In Tripoli in December, humidity is 82%. With an average temperature of -2°C (29°F), this humidity feels like a frigid chill that seeps into your bones, making travel quite uncomfortable and forcing you to bundle up tightly to ward off the damp cold that lingers in the air.
In Tripoli 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 Tripoli, you can check the information here.
UV Risk Categories
Weather in Tripoli varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tripoli, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 39 mm (1.6 inches) | 84% | moderate |
| February Weather | -7°C (20°F) | 52 mm (2.0 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 73 mm (2.9 inches) | 84% | moderate |
| April Weather | 8°C (47°F) | 74 mm (2.9 inches) | 83% | very high |
| May Weather | 16°C (61°F) | 174 mm (6.8 inches) | 75% | very high |
| June Weather | 22°C (72°F) | 139 mm (5.5 inches) | 79% | extreme |
| July Weather | 24°C (75°F) | 103 mm (4.1 inches) | 75% | very high |
| August Weather | 22°C (71°F) | 112 mm (4.4 inches) | 69% | very high |
| September Weather | 19°C (66°F) | 129 mm (5.1 inches) | 74% | very high |
| October Weather | 10°C (51°F) | 136 mm (5.3 inches) | 79% | moderate |
| November Weather | 2°C (36°F) | 49 mm (1.9 inches) | 88% | moderate |
| December Weather | -2°C (29°F) | 35 mm (1.4 inches) | 82% | moderate |