Last updated: August 23, 2025
In December, the average temperature in Saint-Quay-Portrieux, France hovers around 10°C (50°F). You can expect a minimum of 3°C (38°F) and a maximum of 14°C (58°F). With an impressive 143 mm (5.6 in) of precipitation spread over 20 days, the atmosphere remains quite humid, boasting an average humidity of 90%. Prepare for a damp and cool month!
In December in Saint-Quay-Portrieux, the average temperature is 10°C (50°F). The maximum can reach up to 14°C (58°F), while the minimum can drop to as low as 3°C (38°F). This mild climate makes it a great time for travelers to explore the sights and enjoy outdoor activities.
In Saint-Quay-Portrieux in December, the precipitation amount is 143 mm (5.6 in) over the course of 20 days.
In Saint-Quay-Portrieux in December humidity is 90%. With an average temperature of 10°C (50°F), this humidity feels like a chilly, damp blanket enveloping you, making traveling uncomfortable as the cool air mixed with high moisture can lead to persistent chilliness and a constant sense of being wet, even while walking around.
In Saint-Quay-Portrieux in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Saint-Quay-Portrieux.
UV Risk Categories
Weather in Saint-Quay-Portrieux varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Quay-Portrieux, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 82 mm (3.2 inches) | 89% | low |
| February Weather | 8°C (48°F) | 87 mm (3.4 inches) | 88% | moderate |
| March Weather | 9°C (49°F) | 64 mm (2.5 inches) | 85% | moderate |
| April Weather | 10°C (51°F) | 39 mm (1.5 inches) | 84% | high |
| May Weather | 12°C (55°F) | 64 mm (2.5 inches) | 81% | very high |
| June Weather | 15°C (59°F) | 82 mm (3.2 inches) | 77% | very high |
| July Weather | 17°C (63°F) | 44 mm (1.7 inches) | 63% | very high |
| August Weather | 18°C (64°F) | 50 mm (2.0 inches) | 71% | very high |
| September Weather | 17°C (63°F) | 70 mm (2.7 inches) | 76% | high |
| October Weather | 15°C (59°F) | 144 mm (5.6 inches) | 89% | moderate |
| November Weather | 12°C (53°F) | 102 mm (4.0 inches) | 90% | low |
| December Weather | 10°C (50°F) | 143 mm (5.6 inches) | 90% | low |