Last updated: August 27, 2025
In December, the average temperature in Tal-y-bont, United Kingdom is a brisk 6°C (44°F). Expect a range with minimums dipping to -3°C (26°F) and maximums reaching 13°C (55°F). Be prepared for wet weather as 170 mm (6.7 in) of precipitation falls over approximately 20 days, coupled with high humidity levels averaging 89%.
In December in Tal-y-bont, the average temperature is 6°C (44°F). Maximums can reach 13°C (55°F), while minimums can drop to as low as -3°C (26°F). It's advisable to dress in layers and be prepared for chilly conditions if you're traveling during this time.
In Tal-y-bont in December, the precipitation amount reaches 170 mm (6.7 in) over a period of 20 days.
In Tal-y-bont in December, humidity is 89%. With an average temperature of 6°C (44°F), this humidity feels like an uncomfortable chill that clings to your skin, making it difficult to enjoy outdoor activities and ideal for layered clothing.
In Tal-y-bont 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 Tal-y-bont.
UV Risk Categories
Weather in Tal-y-bont varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tal-y-bont, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 105 mm (4.2 inches) | 89% | low | 
| February Weather | 6°C (43°F) | 145 mm (5.7 inches) | 88% | low | 
| March Weather | 7°C (44°F) | 138 mm (5.5 inches) | 86% | moderate | 
| April Weather | 9°C (48°F) | 58 mm (2.3 inches) | 84% | moderate | 
| May Weather | 11°C (53°F) | 85 mm (3.3 inches) | 79% | high | 
| June Weather | 14°C (58°F) | 96 mm (3.8 inches) | 81% | very high | 
| July Weather | 16°C (61°F) | 91 mm (3.6 inches) | 78% | very high | 
| August Weather | 15°C (60°F) | 144 mm (5.7 inches) | 79% | high | 
| September Weather | 13°C (56°F) | 130 mm (5.1 inches) | 85% | moderate | 
| October Weather | 11°C (52°F) | 161 mm (6.3 inches) | 90% | moderate | 
| November Weather | 8°C (47°F) | 138 mm (5.4 inches) | 91% | low | 
| December Weather | 6°C (44°F) | 170 mm (6.7 inches) | 89% | low |