Last updated: August 23, 2025
In December, the average temperature in Saint-Jean-d'Aulps, France hovers around -2°C (29°F), with extreme variations where the minimum can plunge to -17°C (2°F) and the maximum can reach 11°C (51°F). This month experiences substantial precipitation, totaling 223 mm (8.8 in) over approximately 17 days, paired with a high average humidity of 91%. Prepare for a chilly and damp atmosphere!
In December in Saint-Jean-d'Aulps, the average temperature is -2°C (29°F), with a maximum that can reach 11°C (51°F) and a minimum that can drop as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is essential.
In Saint-Jean-d'Aulps in December, the precipitation amount is 223 mm (8.8 in) over the course of 17 days.
In Saint-Jean-d'Aulps in December, humidity is 91%. With an average temperature of -2°C (29°F), this humidity feels like a chilling embrace that can quickly sap your energy, making outdoor adventures uncomfortable and dampening the joy of exploration.
In Saint-Jean-d'Aulps 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 Saint-Jean-d'Aulps, you can visit Hourly UV Index in Saint-Jean-d'Aulps.
UV Risk Categories
Weather in Saint-Jean-d'Aulps varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Jean-d'Aulps, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 124 mm (4.9 inches) | 91% | low |
| February Weather | 0°C (32°F) | 113 mm (4.4 inches) | 89% | moderate |
| March Weather | 2°C (36°F) | 137 mm (5.4 inches) | 87% | high |
| April Weather | 6°C (43°F) | 85 mm (3.4 inches) | 84% | high |
| May Weather | 10°C (50°F) | 210 mm (8.3 inches) | 80% | very high |
| June Weather | 14°C (58°F) | 219 mm (8.6 inches) | 82% | very high |
| July Weather | 16°C (61°F) | 179 mm (7.1 inches) | 82% | very high |
| August Weather | 16°C (60°F) | 167 mm (6.6 inches) | 77% | very high |
| September Weather | 12°C (54°F) | 104 mm (4.1 inches) | 81% | high |
| October Weather | 8°C (46°F) | 121 mm (4.8 inches) | 89% | moderate |
| November Weather | 2°C (36°F) | 109 mm (4.3 inches) | 89% | moderate |
| December Weather | -2°C (29°F) | 223 mm (8.8 inches) | 91% | low |