Last updated: August 23, 2025
In December, the average temperature in Pralong, France hovers around 4°C (39°F). You'll find the temperature can dip as low as -5°C (24°F) or rise to a pleasant 15°C (59°F). This month also brings significant precipitation, totaling 109 mm (4.3 in) over approximately 18 days, contributing to an overall average humidity of a striking 92%. Be prepared for a chilly, wet experience!
In December in Pralong, the average temperature is 4°C (39°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -5°C (24°F). Be sure to pack layers and warm clothing for your travels, as temperatures can vary significantly throughout the day.
In Pralong in December, the total precipitation amount is 109 mm (4.3 in) spread over 18 days.
In Pralong in December humidity is 92%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel feel burdensome as you navigate through the thick, muggy air.
In Pralong 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 Pralong, you can visit Hourly UV Index in Pralong.
UV Risk Categories
Weather in Pralong varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pralong, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 67 mm (2.6 inches) | 91% | low |
| February Weather | 5°C (41°F) | 51 mm (2.0 inches) | 88% | moderate |
| March Weather | 7°C (45°F) | 67 mm (2.7 inches) | 84% | high |
| April Weather | 10°C (50°F) | 63 mm (2.5 inches) | 81% | high |
| May Weather | 14°C (57°F) | 107 mm (4.2 inches) | 77% | very high |
| June Weather | 18°C (65°F) | 99 mm (3.9 inches) | 76% | very high |
| July Weather | 20°C (69°F) | 81 mm (3.2 inches) | 68% | very high |
| August Weather | 20°C (68°F) | 73 mm (2.9 inches) | 61% | very high |
| September Weather | 16°C (61°F) | 60 mm (2.4 inches) | 72% | high |
| October Weather | 11°C (53°F) | 81 mm (3.2 inches) | 88% | moderate |
| November Weather | 6°C (43°F) | 77 mm (3.0 inches) | 91% | moderate |
| December Weather | 4°C (39°F) | 109 mm (4.3 inches) | 92% | low |