Last updated: August 27, 2025
In December, the average temperature in Llanfyllin, United Kingdom hovers around 6°C (42°F). Expect to feel a chill, as temperatures can dip to a minimum of -8°C (17°F), but may rise to a pleasant 13°C (55°F) on warmer days. Be prepared for some wet weather, with an average precipitation of 105 mm (4.1 in) spread over 17 days. With an average humidity of 89%, it's a month that definitely calls for cozy attire!
In December in Llanfyllin, the average temperature is 6°C (42°F). Maximums can reach 13°C (55°F), while minimums can dip as low as -8°C (17°F). Travelers should be prepared for chilly conditions and pack layers to ensure comfort during their visit.
In Llanfyllin in December, the precipitation amount is 105 mm (4.1 in) over a period of 17 days.
In Llanfyllin in December humidity is 89%. With an average temperature of 6°C (42°F), this humidity feels like a heavy blanket wrapping around you, making it challenging for traveling as you navigate the damp air that clings to your skin, leaving you longing for a warm, dry refuge.
In Llanfyllin 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 Llanfyllin.
UV Risk Categories
Weather in Llanfyllin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Llanfyllin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 66 mm (2.6 inches) | 89% | low |
| February Weather | 5°C (41°F) | 90 mm (3.5 inches) | 88% | low |
| March Weather | 6°C (43°F) | 91 mm (3.6 inches) | 86% | moderate |
| April Weather | 8°C (46°F) | 54 mm (2.1 inches) | 84% | moderate |
| May Weather | 11°C (52°F) | 69 mm (2.7 inches) | 79% | high |
| June Weather | 14°C (58°F) | 85 mm (3.3 inches) | 81% | very high |
| July Weather | 16°C (61°F) | 65 mm (2.6 inches) | 78% | very high |
| August Weather | 15°C (60°F) | 82 mm (3.2 inches) | 79% | high |
| September Weather | 13°C (56°F) | 74 mm (2.9 inches) | 85% | moderate |
| October Weather | 10°C (51°F) | 96 mm (3.8 inches) | 90% | moderate |
| November Weather | 7°C (45°F) | 79 mm (3.1 inches) | 91% | low |
| December Weather | 6°C (42°F) | 105 mm (4.1 inches) | 89% | low |