Last updated: August 23, 2025
In Cernex, France during December, the average temperature sits at a refreshing 3°C (38°F). However, be prepared for fluctuations, as temperatures can drop to a chilly -7°C (21°F) or soar to a mild 14°C (57°F). Expect 17 days of precipitation, amounting to 237 mm (9.3 in), with an average humidity level of 90%. This makes for a cool and damp month, so pack accordingly!
In December in Cernex, the average temperature is 3°C (38°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -7°C (21°F). This range makes it essential for travelers to pack accordingly and be prepared for both chilly and mild weather conditions.
In Cernex in December, the total precipitation amount is 237 mm (9.3 in) spread over a period of 17 days.
In Cernex in December humidity is 90%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable as the cold penetrates your clothing while the heavy moisture lingers in the air.
In Cernex 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 Cernex, you can visit Hourly UV Index in Cernex.
UV Risk Categories
Weather in Cernex varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cernex, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 128 mm (5.0 inches) | 91% | low |
| February Weather | 4°C (40°F) | 107 mm (4.2 inches) | 87% | moderate |
| March Weather | 7°C (45°F) | 151 mm (5.9 inches) | 84% | high |
| April Weather | 11°C (51°F) | 67 mm (2.6 inches) | 83% | high |
| May Weather | 14°C (57°F) | 184 mm (7.2 inches) | 78% | very high |
| June Weather | 18°C (65°F) | 146 mm (5.7 inches) | 75% | very high |
| July Weather | 20°C (68°F) | 135 mm (5.3 inches) | 72% | very high |
| August Weather | 20°C (67°F) | 126 mm (4.9 inches) | 63% | very high |
| September Weather | 16°C (61°F) | 83 mm (3.3 inches) | 73% | high |
| October Weather | 11°C (52°F) | 128 mm (5.1 inches) | 89% | moderate |
| November Weather | 6°C (43°F) | 117 mm (4.6 inches) | 90% | moderate |
| December Weather | 3°C (38°F) | 237 mm (9.3 inches) | 90% | low |