Last updated: August 27, 2025
In December, the average temperature in Lairg, United Kingdom hovers around 3°C (38°F). Expect chilly mornings with minimums dipping to -10°C (15°F), while afternoons can warm up to a pleasant 13°C (56°F). Be prepared for wet weather, as 93 mm (3.7 in) of precipitation falls over 18 days, contributing to an average humidity of 88%.
In December in Lairg, the average temperature is 3°C (38°F). Maximums can reach 13°C (56°F), while minimums can drop as low as -10°C (15°F). Be sure to dress in layers and prepare for chilly weather if you're planning to travel during this time.
In Lairg in December, the precipitation amount is 93 mm (3.7 in) spread over 18 days, indicating a relatively wet period.
In Lairg in December, humidity is 88%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.
In Lairg 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 Lairg.
UV Risk Categories
Weather in Lairg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lairg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 83 mm (3.3 inches) | 89% | low |
| February Weather | 3°C (37°F) | 89 mm (3.5 inches) | 88% | low |
| March Weather | 4°C (40°F) | 105 mm (4.1 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 73 mm (2.9 inches) | 84% | moderate |
| May Weather | 9°C (49°F) | 96 mm (3.8 inches) | 82% | moderate |
| June Weather | 12°C (54°F) | 94 mm (3.7 inches) | 84% | very high |
| July Weather | 14°C (57°F) | 89 mm (3.5 inches) | 86% | high |
| August Weather | 13°C (56°F) | 110 mm (4.3 inches) | 86% | high |
| September Weather | 11°C (53°F) | 115 mm (4.5 inches) | 90% | moderate |
| October Weather | 8°C (47°F) | 132 mm (5.2 inches) | 91% | moderate |
| November Weather | 5°C (41°F) | 99 mm (3.9 inches) | 92% | low |
| December Weather | 3°C (38°F) | 93 mm (3.7 inches) | 88% | low |