Last updated: August 23, 2025
In December, the average temperature in Riec-sur-Belon, France hovers around 10°C (50°F), with a minimum of 4°C (39°F) and a maximum reaching 14°C (57°F). Expect a rather wet month, as precipitation accumulates to 135 mm (5.3 in) over 17 days. Additionally, you’ll experience a high average humidity of 82%, making it feel quite damp throughout the days.
In December, in Riec-sur-Belon, the average temperature is 10°C (50°F). Maximums can reach 14°C (57°F), while minimums can drop as low as 4°C (39°F). Travelers should prepare for mild weather and pack accordingly for both warmer and cooler moments.
In Riec-sur-Belon in December, the precipitation amount is 135 mm (5.3 in) spread over 17 days.
In Riec-sur-Belon in December, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.
In Riec-sur-Belon 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 Riec-sur-Belon, you can visit Hourly UV Index in Riec-sur-Belon.
UV Risk Categories
Weather in Riec-sur-Belon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Riec-sur-Belon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 67 mm (2.6 inches) | 82% | low |
| February Weather | 9°C (48°F) | 92 mm (3.6 inches) | 83% | moderate |
| March Weather | 10°C (49°F) | 74 mm (2.9 inches) | 81% | moderate |
| April Weather | 11°C (52°F) | 41 mm (1.6 inches) | 82% | high |
| May Weather | 14°C (57°F) | 58 mm (2.3 inches) | 82% | very high |
| June Weather | 16°C (62°F) | 57 mm (2.2 inches) | 80% | very high |
| July Weather | 18°C (65°F) | 47 mm (1.9 inches) | 77% | very high |
| August Weather | 18°C (64°F) | 57 mm (2.2 inches) | 78% | very high |
| September Weather | 17°C (62°F) | 48 mm (1.9 inches) | 79% | high |
| October Weather | 14°C (58°F) | 100 mm (4.0 inches) | 82% | moderate |
| November Weather | 11°C (53°F) | 102 mm (4.0 inches) | 81% | low |
| December Weather | 10°C (50°F) | 135 mm (5.3 inches) | 82% | low |