Last updated: August 23, 2025
In December, the average temperature in Saint-Etienne-de-Montluc, France hovers around 8°C (47°F), with a chill that can dip to a minimum of -2°C (28°F) and a maximum reaching 16°C (62°F). Expect 106 mm (4.2 in) of precipitation spread over 15 days, contributing to a rather humid atmosphere with an average humidity of 90%.
In December in Saint-Etienne-de-Montluc, the average temperature is 8°C (47°F). Maximum temperatures can reach 16°C (62°F), while minimums can dip as low as -2°C (28°F). Be prepared for cool weather and pack layers for your travels.
In Saint-Etienne-de-Montluc in December, the total precipitation amount is 106 mm (4.2 in) over the course of 15 days.
In Saint-Etienne-de-Montluc in December, humidity is 90%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill enveloping you, making even short walks outside feel uncomfortable and heavy, as if the air is thick with moisture.
In Saint-Etienne-de-Montluc 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 Saint-Etienne-de-Montluc, you can visit Hourly UV Index in Saint-Etienne-de-Montluc.
UV Risk Categories
Weather in Saint-Etienne-de-Montluc varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Etienne-de-Montluc, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 49 mm (1.9 inches) | 88% | low |
| February Weather | 8°C (46°F) | 64 mm (2.5 inches) | 87% | moderate |
| March Weather | 9°C (49°F) | 69 mm (2.7 inches) | 84% | moderate |
| April Weather | 12°C (54°F) | 48 mm (1.9 inches) | 83% | high |
| May Weather | 15°C (59°F) | 61 mm (2.4 inches) | 81% | very high |
| June Weather | 18°C (65°F) | 82 mm (3.2 inches) | 75% | very high |
| July Weather | 20°C (69°F) | 38 mm (1.5 inches) | 65% | very high |
| August Weather | 19°C (67°F) | 43 mm (1.7 inches) | 67% | very high |
| September Weather | 17°C (63°F) | 44 mm (1.7 inches) | 75% | high |
| October Weather | 14°C (57°F) | 81 mm (3.2 inches) | 85% | moderate |
| November Weather | 9°C (49°F) | 78 mm (3.1 inches) | 88% | low |
| December Weather | 8°C (47°F) | 106 mm (4.2 inches) | 90% | low |