Last updated: August 23, 2025
In December, the average temperature in Lannemezan, France hovers around 7°C (45°F), with extremes ranging from a chilly -4°C (26°F) to a mild 18°C (65°F). This month brings a substantial precipitation of 138 mm (5.4 in) spread over 15 days, and expect the air to feel quite damp, with an average humidity level of 88%.
In December in Lannemezan, the average temperature is 7°C (45°F). The maximum can reach 18°C (65°F), and the minimum can be as low as -4°C (26°F). It's advisable to pack layers and prepare for varying temperatures while traveling during this time.
In Lannemezan in December, the total precipitation amount is 138 mm (5.4 in) recorded over the course of 15 days.
In Lannemezan in December humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.
In Lannemezan 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 Lannemezan, you can visit Hourly UV Index in Lannemezan.
UV Risk Categories
Weather in Lannemezan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lannemezan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 80 mm (3.2 inches) | 87% | low |
| February Weather | 8°C (47°F) | 76 mm (3.0 inches) | 83% | moderate |
| March Weather | 9°C (49°F) | 87 mm (3.4 inches) | 80% | high |
| April Weather | 12°C (54°F) | 111 mm (4.4 inches) | 77% | high |
| May Weather | 15°C (60°F) | 124 mm (4.9 inches) | 75% | very high |
| June Weather | 19°C (66°F) | 140 mm (5.5 inches) | 74% | very high |
| July Weather | 21°C (70°F) | 99 mm (3.9 inches) | 72% | very high |
| August Weather | 21°C (70°F) | 74 mm (2.9 inches) | 70% | very high |
| September Weather | 18°C (65°F) | 83 mm (3.3 inches) | 73% | high |
| October Weather | 14°C (57°F) | 88 mm (3.5 inches) | 82% | moderate |
| November Weather | 9°C (48°F) | 100 mm (3.9 inches) | 87% | moderate |
| December Weather | 7°C (45°F) | 138 mm (5.4 inches) | 88% | low |