Last updated: August 23, 2025
In December, the average temperature in Riom-es-Montagnes, France hovers around 3°C (37°F), with highs reaching up to 13°C (56°F) and lows dipping to a chilly -11°C (12°F). Expect precipitation of approximately 176 mm (6.9 in) over about 18 days, contributing to the region's notable average humidity of 92%.
In December in Riom-es-Montagnes, the average temperature is 3°C (37°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -11°C (12°F). This means travelers should be prepared for chilly conditions and pack warm clothing when visiting during this time.
In Riom-es-Montagnes in December, the total precipitation amount is 176 mm (6.9 in) spread over 18 days.
In Riom-es-Montagnes in December humidity is 92%. With an average temperature of 3°C (37°F), this humidity feels like a heavy blanket that clings to your skin, making every step feel laborious and the cold air seem even more biting, a challenging environment for traveling.
In Riom-es-Montagnes 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 Riom-es-Montagnes, you can visit Hourly UV Index in Riom-es-Montagnes.
UV Risk Categories
Weather in Riom-es-Montagnes varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Riom-es-Montagnes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 112 mm (4.4 inches) | 91% | low |
| February Weather | 3°C (38°F) | 87 mm (3.4 inches) | 88% | moderate |
| March Weather | 5°C (41°F) | 114 mm (4.5 inches) | 84% | high |
| April Weather | 8°C (46°F) | 76 mm (3.0 inches) | 81% | high |
| May Weather | 11°C (52°F) | 137 mm (5.4 inches) | 77% | very high |
| June Weather | 15°C (60°F) | 132 mm (5.2 inches) | 76% | very high |
| July Weather | 17°C (63°F) | 84 mm (3.3 inches) | 68% | very high |
| August Weather | 17°C (63°F) | 67 mm (2.7 inches) | 61% | very high |
| September Weather | 13°C (57°F) | 75 mm (3.0 inches) | 72% | high |
| October Weather | 9°C (49°F) | 83 mm (3.3 inches) | 88% | moderate |
| November Weather | 5°C (40°F) | 102 mm (4.0 inches) | 91% | moderate |
| December Weather | 3°C (37°F) | 176 mm (6.9 inches) | 92% | low |