Last updated: August 23, 2025
In December, the average temperature in Trignac, France hovers around 9°C (48°F). Be prepared for chilly days, with minimum temperatures possibly dropping to 0°C (32°F) and highs reaching up to 15°C (59°F). It's a wet month too, with 112 mm (4.4 in) of precipitation spread over approximately 15 days. Don't forget your umbrella; the average humidity is a brisk 90%!
In December in Trignac, the average temperature is 9°C (48°F). The maximum can reach 15°C (59°F) and the minimum can be as low as 0°C (32°F). Prepare for a cool and refreshing climate, perfect for layered outfits and exploring the sights!
In Trignac in December, the precipitation amount is 112 mm (4.4 in) spread over a period of 15 days.
In Trignac in December, humidity is 90%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration quite uncomfortable and requiring heavier layers to stay warm and dry.
In Trignac 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 Trignac, you can visit Hourly UV Index in Trignac.
UV Risk Categories
Weather in Trignac varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Trignac, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (45°F) | 50 mm (2.0 inches) | 88% | low |
| February Weather | 8°C (47°F) | 67 mm (2.6 inches) | 87% | moderate |
| March Weather | 10°C (50°F) | 67 mm (2.6 inches) | 84% | moderate |
| April Weather | 12°C (54°F) | 43 mm (1.7 inches) | 83% | high |
| May Weather | 15°C (59°F) | 59 mm (2.3 inches) | 81% | very high |
| June Weather | 18°C (65°F) | 71 mm (2.8 inches) | 75% | very high |
| July Weather | 20°C (68°F) | 41 mm (1.6 inches) | 65% | very high |
| August Weather | 19°C (67°F) | 48 mm (1.9 inches) | 67% | very high |
| September Weather | 17°C (63°F) | 39 mm (1.5 inches) | 75% | high |
| October Weather | 14°C (58°F) | 82 mm (3.2 inches) | 85% | moderate |
| November Weather | 10°C (50°F) | 78 mm (3.1 inches) | 88% | low |
| December Weather | 9°C (48°F) | 112 mm (4.4 inches) | 90% | low |