Last updated: August 27, 2025
In December, the average temperature in Llangynog, United Kingdom hovers around 5°C (42°F). Expect chilly conditions, with minimums dipping to -9°C (17°F) and maximums reaching 12°C (54°F). Be prepared for rain, as the region sees about 132 mm (5.2 in) of precipitation over 19 days. With an average humidity of 89%, it's a month that calls for cozy layers and umbrellas!
In December in Llangynog, the average temperature is 5°C (42°F), with maximums reaching 12°C (54°F) and minimums dropping as low as -9°C (17°F). It's advisable to pack warm clothing and be prepared for chilly conditions if you plan to travel during this time.
In Llangynog in December, the precipitation amount is 132 mm (5.2 in) over the course of 19 days.
In Llangynog in December humidity is 89%. With an average temperature of 5°C (42°F), this humidity feels like a chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while exploring.
In Llangynog 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 Llangynog.
UV Risk Categories
Weather in Llangynog varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Llangynog, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 81 mm (3.2 inches) | 89% | low |
| February Weather | 5°C (41°F) | 118 mm (4.6 inches) | 88% | low |
| March Weather | 6°C (42°F) | 115 mm (4.5 inches) | 86% | moderate |
| April Weather | 8°C (46°F) | 59 mm (2.3 inches) | 84% | moderate |
| May Weather | 10°C (51°F) | 77 mm (3.0 inches) | 79% | high |
| June Weather | 14°C (57°F) | 91 mm (3.6 inches) | 81% | very high |
| July Weather | 15°C (60°F) | 76 mm (3.0 inches) | 78% | very high |
| August Weather | 15°C (59°F) | 103 mm (4.1 inches) | 79% | high |
| September Weather | 13°C (55°F) | 91 mm (3.6 inches) | 85% | high |
| October Weather | 10°C (50°F) | 117 mm (4.6 inches) | 90% | moderate |
| November Weather | 7°C (44°F) | 98 mm (3.9 inches) | 91% | low |
| December Weather | 5°C (42°F) | 132 mm (5.2 inches) | 89% | low |