Last updated: August 23, 2025
In Hostun, France, the average temperature in December hovers around 4°C (39°F). Expect chilly days with a minimum drop to -8°C (19°F) and a mild peak of 16°C (61°F). The region witnesses approximately 150 mm (5.9 in) of precipitation spread over 17 days, contributing to a high average humidity of 90%. Embrace the cool, damp atmosphere!
In December in Hostun, the average temperature is 4°C (39°F). Maximums can reach 16°C (61°F) and minimums can be as low as -8°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warmth and chill.
In Hostun in December, the precipitation amount is 150 mm (5.9 in) over a span of 17 days.
In Hostun in December humidity is 90%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the misty streets.
In Hostun 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 Hostun, you can visit Hourly UV Index in Hostun.
UV Risk Categories
Weather in Hostun varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hostun, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 71 mm (2.8 inches) | 91% | low |
| February Weather | 5°C (42°F) | 71 mm (2.8 inches) | 87% | moderate |
| March Weather | 8°C (46°F) | 84 mm (3.3 inches) | 84% | moderate |
| April Weather | 11°C (51°F) | 59 mm (2.3 inches) | 83% | high |
| May Weather | 14°C (58°F) | 130 mm (5.1 inches) | 78% | very high |
| June Weather | 19°C (66°F) | 92 mm (3.6 inches) | 75% | very high |
| July Weather | 21°C (71°F) | 55 mm (2.2 inches) | 72% | very high |
| August Weather | 21°C (70°F) | 53 mm (2.1 inches) | 63% | very high |
| September Weather | 17°C (63°F) | 47 mm (1.8 inches) | 73% | high |
| October Weather | 12°C (54°F) | 102 mm (4.0 inches) | 89% | moderate |
| November Weather | 7°C (44°F) | 104 mm (4.1 inches) | 90% | moderate |
| December Weather | 4°C (39°F) | 150 mm (5.9 inches) | 90% | low |